1. statistics

    Suppose a researcher gathered survey data from 19 employees and asked the employees to rate their job satisfaction on a scale from 0 to 100 (with 100 being perfectly satisfied). Suppose the following data represent the results of this survey. Assume that

    asked by Tony on July 8, 2013
  2. Statistics Help Please

    A sample of eight observations of variables x and y is shown below: x 5 3 7 9 2 4 6 8 y 20 23 15 11 27 21 17 14 Find the value of coefficient of correlation, r. a) - 0.991 b)0.872 c)- 0.512 d)0.942

    asked by Stuart on March 29, 2009
  3. Statistic help

    What do I do in correlation question. Indications of where the relationship is linear showing cv?

    asked by Denise on March 30, 2016
  4. statistics

    a sample of 50 women is obtained and their heights (in inches) and pulse rates (in beats per min) are measured. the linear correlation coefficient is 0.229 and the equation of the regression line y= 17.9 +0.870x where x represents hight. the mean of the 50

    asked by robin on October 22, 2013
  5. Statistics

    Which of the following is not a source of caution in regression analysis between two variables? A) non-linear form. B) linear form. C) a lurking variable. D) an outlier. E) extrapolation. E?

    asked by Jeremy on September 22, 2013
  6. Algebra 1- Just one question please :)

    You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? Please help

    asked by basketball&batman on December 1, 2015
  7. Math

    I don't know how to solve this question could anyone help out? Thanks in advance! You use a line as best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be be

    asked by Mal on May 30, 2018
  8. math

    Consider the following set of data. (18, 12), (29, 48), (65, 29), (82, 24), (115, 56), (124, 13) (a) Calculate the covariance of the set of data. (Give your answer correct to two decimal places.) Incorrect: Your answer is incorrect. . (b) Calculate the

    asked by tracy12 on June 25, 2013
  9. math

    In the space below, indicate the values stored in the variables A,B,C, and D for the program. Enter your answers by typing in the value of A for Answer 1, value for B in Answer 2 and so on. Do this for all four variables.(8 points) 10 DATA 2,3,4,5 20 READ

    asked by Anonymous on February 14, 2012
  10. Computer Science

    Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is 1 if a < 0.

    asked by Jerry on October 25, 2013
  11. UOP

    What particular measure of correlation would be most appropriate for use with two variables measured at an ordinal level? a. Spearman’s Rho B. Pearson’s r C. Contingency Coefficient D. Chi Square

    asked by Linda on April 13, 2013
  12. Math-Stats

    An insecticide company exposes 10,000 cockroaches to its newest product, and exposes another 10,000 to their previous formula. The researchers use videotape to count how many cockroaches are still alive, and how many appear to be in distress, at 10 second

    asked by Jen on October 10, 2011
  13. Algebra

    The table list data regarding the average salaries of several professional athlets in the year 1991 and 2001 Year Average Salary 1991 $252,000 2001 $1,350,000 a) Use the data points to find a linear function that fits the data. b) Use the function to

    asked by PJ on November 7, 2008
  14. algebra

    You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is –0.015. How confident can you be that your predicted value will be reasonably close to the actual value? o great

    asked by venusthedalek on December 17, 2018
  15. Statistics

    X Y 0 23 2 27 2.3 29 4.1 32 5 35 What is the correlation for this data set? 10) Find the regression line for this data set.

    asked by Ana on May 25, 2013
  16. chemistry

    Consider the reaction: A + B −> C If it is 2nd order in A and 0 order in B, a plot of [B]−1 vs time will be... a. linear and negative b. exponential and negative c. linear and positive d. equal to zero e. exponential and positive

    asked by Eddy on April 6, 2011
  17. multiple regression

    5. HR Assistant Survey A sample of HR assistants in Plano Texas was created. It was suggested that the data should be analyzed with a regression model to determine if salary was related to years of experience, aptitude test scores, EI (emotional

    asked by Nina on September 14, 2011
  18. physics

    extrapolation is the process whereby we extend an established numerical relationship between two variables beyond the limits of our observed and recorded data. why extrapolation would not be useful and wise to use in force-elongation graph? In

    asked by Katrina on October 30, 2006
  19. psychological test and measurements

    if the range of one or both variables is restricted, the resulting correlation coefficient will likely: a.be decreased b. be increased c. remain the same d. either increase or decrease depending on the calculations. i chose c

    asked by val on September 28, 2015
  20. math

    1.What are the mean,median,mode and range of the data set given the altitude of lakes in feet:-9,-36,-23,-8,-17,-52,-27,and-36? 2.Given the data 21,13,13,37,13,23,25,15 a.What is the outlier in the data? b.what is the mean with the outlier? c.what is the

    asked by stupid lame fat on April 9, 2017
  21. Statistics

    For the following set of scores: X Y 6 4 3 1 5 0 6 7 4 2 6 4 a) Compute the Pearson correlation. b) Add 2 points to each X value and compute the correlation for the modified scores. How does adding a constant to every score affect the value of the

    asked by Mary on April 24, 2014
  22. Statistics

    Make a scatter diagram with 10 dots showing a perfect positive linear correlation

    asked by Anonymous on July 15, 2009
  23. Statistics

    Studies find a negative correlation between hours spent watching television and scores on reading tests. Does watching television make people less able to read? Probably, but this doesn't follow from the data. The studies are observational, and it might be

    asked by Karen on April 14, 2009
  24. Math

    You use the line of best fit for a set of data to make a prediction about an unk on value. The correlation coefficient for your data is 0.984. How confident can you be that your predicted value will be reasonably close to the actual value? A. I can’t be

    asked by Olivia on January 24, 2018
  25. Algebra 1

    Which kind of function best models the set of data points: -1,22 0,6 1,-10 2,-26 and 3,-42? linear quadratic exponential non e of the above my answer is linear

    asked by Steve on February 15, 2015
  26. Math please check my answers?

    1) The linear function f(x) contains the points (-10, -29) and (-2, 83). If g(x) = 25x - 50, which statement is true? A. The functions f(x) and g(x) both have positive slopes.

    asked by David on May 22, 2014
  27. statistics

    10. Table 4.31 gives the relationship between the total number of firearms (TFA) and the number of aggravated assaults with firearms (AWF) in 4 US states and the District of Columbia in 2010. Table 4.31 DC TN DE SC GA TFA 2268 13132 1701 8137 11728 AWF 606

    asked by Hayley on November 29, 2018
  28. computer science

    Write a declarations and input statements necessary to read each of the following sets of data values into variables of the appropriate types. You choose the names of the variables. In some cases, punctuation marks or special symbol must be skipped. a. 100

    asked by Marilyn on September 27, 2011
  29. College Algebra

    Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. The perimeter of a rectangle is 72m. If the width were doubled and the length were

    asked by Ashley on January 28, 2010
  30. statisticts for managers

    What results in your departments seem to be correlated or related to other activities? How could you verify this? Create a null and alternate hypothesis for one of these issues. What are the managerial implications of a correlation between these variables?

    asked by Anonymous on February 12, 2014
  31. math

    Which of the following statements about correlation and causation is true? Correlation cannot occur without causation. Correlation implies causation. Correlation and causation are always unrelated. Causation implies correlation. the second one?

    asked by dianni on March 11, 2019
  32. Algebra

    Which of the following statements about correlation and causation is true? Causation implies correlation. Correlation and causation are always unrelated. Correlation cannot occur without causation. Correlation implies causation. Is it the last one?

    asked by Klauus on March 22, 2019
  33. statistics

    A group of adults of 200 aged 21 to 50 were selected from those entering Fit Right Health stores in Washington state, and were randomly divided into two groups. One group was given an herb and the othe placebo. After 6 months, the the number of respiratory

    asked by Patricia on November 10, 2011
  34. please help urgent

    Which of the following is the best estimate of the correlation coefficient for the data shown below? (1, 18), (2, 12), (3, 20), (4, 16), (5, 22), (6, 30), (7, 28), (8, 40), (9, 34), (10, 29), (11, 33), (12, 39), (13, 44), (14, 39), (15, 28) A 0.1 B. 0.3 C.

    asked by jeannie on September 8, 2014
  35. algebra

    Which of the following is the best estimate of the correlation coefficient for the data shown below? (1, 18), (2, 12), (3, 20), (4, 16), (5, 22), (6, 30), (7, 28), (8, 40), (9, 34), (10, 29), (11, 33), (12, 39), (13, 44), (14, 39), (15, 28)

    asked by Amani on June 8, 2014
  36. math help

    I need help factoring this out 6a^2-5a+1 okay so now after revising (3a-1)(2a ) the last part i don't know how to actually get -5 and 1 Factoring is not my strong suit. However, by the term "+1", you know that both of the signs in your parenthesis are

    asked by jas20 on March 2, 2007
  37. Math help and check

    Which kind of function best models the set of data points (–1, 22), (0, 6), (1, –10), (2, –26), and (3, –42)? linear **** quadratic exponential none of the above 2. Which kind of function best models the set of data points (–3, 18), (–2, 6),

    asked by Kendra on March 9, 2015
  38. math

    Instructions: Tell whether each expression represents a positive number or a negative number when m and n are negative. problem: -n/-m If both m and n are negative, then both -m and -n (numerator and denominator) are positive. What does that tell you about

    asked by catalina on January 14, 2007
  39. statistics

    As part of a data base on new births at a hospital some variables recorded are the age of the mother, marital status of the mother (single, married, divorced), weight of the baby, and gender of the baby. Of these variables A. age, marital status, and

    asked by john on January 21, 2015
  40. statistics

    The data set healthy breakfast contains the ratings of 77 cereals and the number of grams of sugar contained in each searving. A simple linear regression model considering Sugar as the explanatory variable and Rating as the response variable produced the

    asked by Gee on September 13, 2012
  41. Math

    If two variables are very strongly associated, the correlation between them will be near 1.0 or -1.0. A) False B) True I put false because the variable have to be quantitative and they have to be perfect...

    asked by Robby on September 18, 2013
  42. Statistics

    Calculate the Pearson product-moment correlation for the data below. X 3 4 2 1 Y 5 5 3 4

    asked by StudentD on August 28, 2012
  43. stats

    (correlation and regression) for y = 25, what is the estimated value of value of x, from the following data: X: 11 12 15 16 18 19 21 y: 21 15 13 12 11 10 9 a) 15 b)7 c)13.588 d) 14.986

    asked by nithin on October 21, 2015
  44. math

    Time Height (Weeks) (CM) 1 1 2 4 3 6 4 9 5 11 ~Ok i have this problem and its a correlation coefficient, There is a lot of questions but how would you find if its linear or exponential.

    asked by Ed on March 29, 2017
  45. Statistics

    I neep help on two questions! A condition that occurs in multiple regression analysis if the independent variables are themselves correlated is known as: 1. autocorrelation 2. stepwise regression 3. multicorrelation 4. multicollinearity (I think this is

    asked by Debra on September 14, 2008
  46. Math

    Which associations best describe the data in the table? Variable m 9 6 5 1 3 4 2 8 7 Variable n 33 24 18 3 10 14 7 32 26 Choose exactly two answers that are correct. A. linear association B. negative association C. nonlinear association D. positive

    asked by Nia on March 19, 2015
  47. Math

    In conducting multiple regression analyses (MRAs), a major technical concern involves any high correlation of predictor (regressor) variables included in the model. The term for this is…?

    asked by Claudius on January 21, 2019
  48. math

    In a statistic class, the average score of midterm is 75 and the SD is 8. The average score of final is 65 and the SD is 12. The scatter diagram of the two variables (midterm/final scores) is football shaped. The correlation between the two variables is

    asked by prasad on March 25, 2015
  49. Algebra

    Determine if the relationship represented in the table is linear. If it is linear, write an equation. x 2 5 7 10 12 20 y -3 0 2 5 7 15 A) Linear; y = x - -5 B) Linear; y = -5x C) Linear; y = x + -5 D) Not linear I'm thinking it's C am I correct

    asked by Lisa on September 9, 2009
  50. Statistics

    Please Help me understand how to work this problem. I have been working on this problem for several days and do not understand what to do. Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs, of people the linear correlation

    asked by Shannon on July 4, 2015
  51. MATH

    I am confused about the following problem. Could someone help me out? In a statistic class, the average score of midterm is 75 and the SD is 8. The average score of final is 65 and the SD is 12. The scatter diagram of the two variables (midterm/final

    asked by YAMI on March 28, 2015
  52. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by helen on December 12, 2013
  53. statistics

    9. Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by helen on December 13, 2013
  54. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by Helen on December 14, 2013
  55. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1, 0.98), (2, 1.39), (3, 1.71), (4, 1.98), (5, 2.22), (6, 2.43)} (6 points)

    asked by helen on December 13, 2013
  56. statistic

    Explain the transformation needed to convert the following data to a linear data set. {(1,0.98), (2,1.39), (3,1.71), (4, 1.98), (5,2.22), (6,2.43)

    asked by helen on December 13, 2013
  57. Business Research for Decision Making

    1. Decide on the type of tool or instrument you think would be effective given your topic on if there is no relationship between customer relationship and customer loyalty, explain why this type of tool would be optimal, and point to research which has

    asked by Stacey on September 19, 2010
  58. math

    If you're looking at a set of data, how can you tell whether a linear or exponential line of best fit would be most appropriate for the data?

    asked by Carly on November 29, 2018
  59. Math

    Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c.

    asked by mysterychicken on June 18, 2013
  60. Algebra

    1.What is the solution of the system? y=9x-2 y=7x+3 A.(-5/2,41/2) B.(5/2,41/2) C.(5/2,-41/2) D.(-5/2,-41/2) 2.The table below shows the height (in inches) and weight (in pounds)of eight basketball players. Height=67, 69, 70, 72, 74, 78, 79 Weight=183, 201,

    asked by GummyBears on December 16, 2015
  61. Trig.

    A statistician is analyzing data to find a model. She has determined the following characteristics of the data. Which characteristics of the data defined the period? -The initial value is 5 -all of the values are negative -the difference between the

    asked by Benny on March 27, 2018
  62. Statistics

    What's an example of two variables from your intended career that you would like to draw a Scatterplot for and subsequently to compute a Correlation Coefficient for and to derive the equation of the Scatterplot's corresponding Regression Line.

    asked by Anonymous on July 31, 2017
  63. Math

    Considering linear, quadratic, and exponential lines of best fit: If you're studying a set of data, how can you decide which of those three types of model would be most appropriate for the data?

    asked by Carly on December 7, 2016
  64. Stats

    A strong positive correlation of .95 indicates that the independent variable X is the cause for the variaton in Y. True/False- I say False but don't know for sure.

    asked by Bob on August 8, 2011
  65. Physics

    Three ropes (X,Y and Z) made of different materials are attached in a linear fashion. Based on the following observations, classify ropes X,Y, and Z as fast, intermediate or slow media. -a negative pulse transmitted into X is inverted upon reflection and

    asked by Bobbie on November 23, 2008
  66. math

    A set of n = 5 pairs of X and Y values has SSX = 4, SSY = 16 and SP = 8. For these data, what is the Pearson correlation?

    asked by meka on November 2, 2012
  67. Pathway to Statistics

    a. What value of T represents the temperature that is 16°F below​ zero? b. A student says that T represents only positive numbers and​ zero, because there is no negative sign. Is the student​ correct? Explain

    asked by Sam on September 1, 2016
  68. statistics

    calculate the correlation for data set A. Data Set A: xi = 65, 55, 50, 45, 35 yi= 44, 52, 68, 20, 36 I know how to find the mean, variance, standard deviation, and z-score. The part I am having trouble finding is the ZxiZyi. In the chart that I have to

    asked by Hannah on July 6, 2011
  69. cp biology

    include the following vocabulary when completing the concept map. be sure to PLACE THE WORDS in the correct step of the scientific method, and DISCUSS what occurs at each step. words: qualitative data quantitative data independent variable data analysis/

    asked by rachel on August 18, 2015
  70. Finance

    Use the following information to calculate the covariance of asset A with an equally weighted portfolio of assets B and C. Asset Standard Deviation A 20% B 30% C 40% The correlation coefficient between A and B is 0.6. The correlation coefficient between A

    asked by Anonymous on September 22, 2014
  71. Statistic

    The data below represents the amount of grams of carbohydrates in a sample serving of breakfast cereal. 10 18 24 30 19 22 24 20 18 25 20 22 19What is the interquartile range (midspread) for this data?

    asked by Mitesh on April 24, 2017
  72. Statistics

    The data below represents the amount of grams of carbohydrates in a sample serving of breakfast cereal. 10 18 24 30 19 22 24 20 18 25 20 22 19What is the interquartile range (midspread) for this data?

    asked by Anonymous on December 4, 2018
  73. trig

    for a set of data the line of best fit is given by y=-.687x + 3.431 and r^2=.325. what is the correlation efficient

    asked by jerson on September 15, 2008
  74. Statistics

    Parametric procedures of quantitative analysis make an underlying assumption that...? A. Dichotomous variables have been "smoothed" B. The variables are measured at least at an ordinal level. C. All responses are measured in a mutually exclusive manner D.

    asked by Pat on September 2, 2012
  75. Math

    Mulitple Choice Find the slope. A coordinate graph shows a line through 2 points. One point has coordinates negative 3 comma 3. The other point has coordinates 1 comma negative 5. A. 2** B. –one-half C. –2 D. one-half Use the graph below to answer the

    asked by Kadance on February 22, 2019
  76. algebra 3

    what is the equation of the line that passes through {negative 4, negative 1}and {0,7}? A.Y=2X PLUS 9 B. Y=X/2 PLUS 7 C. 2X PLUS 7 D. Y= NEGATIVE 2X PLUS 7 Here's a way to approach your problem. 'm' represents slope. 'b' the y-intercept. m = (y2 - y1)/(x2

    asked by Darius Graham on January 11, 2007
  77. algebra

    systems of linear equations in 3 variables 1/3x-2/3y+z=0 1/2x-3/4y+z=1/4 -2x-y+z=1

    asked by ashley on April 2, 2012
  78. STAT

    Calculate SP (the sum of products of deviations) for the following scores. Note: Both means are decimal values, so the computational formula works well. X Y 0 2 0 1 1 0 2 1 1 2 0 3 Assume a two-tailed test with  .05. (Note: The table does not list all the

    asked by Tracy on March 3, 2013
  79. Statistic II

    Correlation problem Y=ax+b A=1.059398484 B=27.23752342 R2=.2552814508 R=.5052538478 Cv=.4438 chart 20-2=18 row table 0.05 Not linear 25.5% Mean=435 This is my answer from information up top

    asked by Denise on March 27, 2016
  80. trig

    for a set of data, the line best fit is given by the y-0.697x + 3.431 anr r^2 = .325. what is the correlation co efficient

    asked by jerson on September 15, 2008
  81. Maths

    5. Compute the two regression equations on the basis of the following data: X Y Mean 40 45 Standard Deviation 10 9 Given that the coefficient of correlation between X & Y is 0.50. Also estimate the value of Y for X=48?

    asked by Neeraj Bhanot on October 9, 2010
  82. Math homework Help Please

    Hii so, I'm on my 5th mental breakdown Today and Its only 9:00 today, and as I know most of you don't care what so ever about what I'm going through and you all have your own problems but I'm honestly horrible at math and this is a big grade for me in it

    asked by Mad on April 16, 2018
  83. Math

    The raw data below represents the number of children living at home in a neighborhood of 24 homes. Which measure best describes the data: mean, median, or mode? Calculate all and explain. 2,1,3,0,4,4,1,2,0,6,2,2,5,0,2,3,3,1,1,4,2,0,1,4

    asked by Asa on April 5, 2018
  84. Math

    The raw data below represents the number of children living at home in a neighborhood of 24 homes. Which measure best describes the data: mean, median, or mode? Calculate all and explain. 2,1,3,0,4,4,1,2,0,6,2,2,5,0,2,3,3,1,1,4,2,0,1,4

    asked by Lilly on April 6, 2018
  85. statistics

    Job Sat. INTR. EXTR. Benefits 5.2 5.5 6.8 1.4 5.1 5.5 5.5 5.4 5.8 5.2 4.6 6.2 5.5 5.3 5.7 2.3 3.2 4.7 5.6 4.5 5.2 5.5 5.5 5.4 5.1 5.2 4.6 6.2 5.8 5.3 5.7 2.3 5.3 4.7 5.6 4.5 5.9 5.4 5.6 5.4 3.7 6.2 5.5 6.2 5.5 5.2 4.6 6.2 5.8 5.3 5.7 2.3 5.3 4.7 5.6 4.5

    asked by chris on September 21, 2010
  86. Regression

    1)Price of COke 2)Price of Pizza 3)Price of Beef 4)Quantity of Beef 5)Income 1) List and explain each of the components of you regression model, both the dependent and independent variables 2) list each of the indepedent variables, and hypothesize the sign

    asked by Peter on September 30, 2009
  87. Statistics

    The late English psychologist Cyril Burt was known for his studies of the IQ scores of identical twins who were raised apart. The high correlation between the IQs of separated twins in Burt's studies pointed to heredity as a major factor in IQ.

    asked by Huang on October 16, 2014
  88. Psychology

    Studies have shown that the longer children had lived in an orphanage the lower their IQ scores are. Is this a positive or negative correlation? Provide an explanation.

    asked by Jay on June 12, 2013
  89. Reserach Statistics in CRJU

    A data set has n=10 pairs of X and Y values. This data has SSx=10, SSy= 20 and SP=10. Compute the Pearson correlation and explain r=sp/√ssx ssy = 10/√10*20= 10/√200 Simplify 200 under radical= 200 as 10^2⋅2. √(〖10〗^2 )×2= 10/10√2 or

    asked by Michelle on June 30, 2016
  90. MATH

    A data set has the following points: (0, 2), (4, 1), (6, 0) The slope of the linear regression line is -0.32. Find the y-intercept of the linear regression.

    asked by J on July 11, 2013
  91. Algebra 2

    A data set has the following point: (1,8)(2,7)(3,5) The slope of the linear regression line is -1.5 Find the y-intercept of the linear regression.

    asked by Juan on May 22, 2012
  92. chemistry

    Can you help me with these please? In general, is the boiling point of a polar liquid likely to be higher or lower than that of a nonpolar liquid of about the same mass? What, if any, is the correlation between electronegatively and reactivity? Thanks in

    asked by Lydia on February 4, 2007
  93. Algebra 1

    I need some help with Direct linear variation. I had tooken a test, and one of the questions on there said " Which equation represents a direct linear variation?" The answers were A ; y = 1/x B ; y = x + 2 C ; y = x squared D ; y = 1/2x . I choose B . But

    asked by Stephanie on February 15, 2012
  94. Maths

    Linear equations in two variables Draw a graph 1.x+y=9 2.2x+y=6 3.x-y=4 4.y=4x 5.2x-y=4 6.3x+y=4 7.6x-5y=1 8.3x=y+4 9.x=5y 10.x-5y=7

    asked by Thanisha on October 14, 2016
  95. algebra

    I do not know how to solve the following systems of linear equations in 3 variables 1) x-2y+z=7 2) 2x+y-3z=-1 3) x-4y+3z=13

    asked by ashley on April 2, 2012
  96. algebra

    Which statistical method best represents this set of data: 1, 2, 5, 2, 3, 7, 300, 5, 3, 3? Which statistical method best represents this set of data: 1, 2, 5, 2, 3, 7, 300, 5, 3, 3? a) mean b)median c)mode d)standard deviation

    asked by Meredith Grey on March 25, 2015
  97. MATH

    An insecticide company exposes 10,000 cockroaches to its newest product, and exposes another 10,000 to their previous formula. The researchers use videotape to count how many cockroaches are still alive, and how many appear to be in distress, at 10 second

    asked by Jennifer on November 11, 2011
  98. biology

    Create and describe a data set including independent and dependent variables (be creative) and a table of the data. Explain how this would best be graphed to accurately present the results of the research (type of graph, axes, and scale limits – minimum

    asked by sharday on February 15, 2012
  99. algebra

    Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. In a basketball game, Will scored 26 points, consisting only of three-point shots

    asked by star on August 26, 2010
  100. College Algebra

    Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. An orchard operator must dilute 11 quarts of a 60% insecticide solution by adding

    asked by Ashley on January 28, 2010