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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 -0,993. How confident can you be that your predicted value will be

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  1. 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 0.833. . Can you be confident that your predicted value will be reasonably close to the actual value? Why or why not?

  2. Algebra 1

    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 0.793. How confident can you be that your predicted value will be reasonably close to the actual value?

  3. algebra 1 question please help

    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?

  5. 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 -0.833. Can you be confident that your predicted value will be reasonably close to the actual value? Why or why not?

  6. Algebra

    1.you use in line to best fit the set of data to make a prediction about the 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?

  7. 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 -0.833. Can you be confident that your predicted value will be reasonably close to the actual value? Why or why not?

  8. algebra

    23. 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. can you be confident that your predicted value will be reasonably close to the actual value?

  10. 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 responsibly close to the actual value?

  11. Algebra

    For questions 3-4, use your calculator to create a scatter plot and line of best fit for the data: Average height of a species of tree after a certain number of years years: 1,2,3,4,5,6,7,8 height: 2.1,3.2,6.8,7.3,11.2,12.6,13.4,15.9 3. What is the

  12. 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

  13. 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

  15. 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

  16. Algebra

    Hello, i have asked my question below if anyone would be kind enough to help me out :) ____________________________________________________________ You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation

  17. math

    you use a line of best fit for a set of data to make a prediction about an unknown value -0.015. can you be confident that your predicted value will be reasonably close to the actual value. why or why not?

  18. 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

  20. Algebra

    3. What is the correlation coefficient for the set of data? Round your answer to the nearest thousandth. 0.014 0.989 0.075 4. About how tall would you expect one of these trees to be after 22 years? 22.31 ft. 35.2 ft. 44.25 ft. 46.2 ft. 5. You use a line

  21. Mathematics

    Which of the following statements are true when creating an approximate linear model for a given data set? Select all that apply. -The line must pass through all of the points in the data set. -It provides a way to make predictions on data points outside

  22. algebra, english, biology

    23. 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 -0.833. Can you be confident that your predicted value will be reasonably close to the actual value? why or why

  23. Math

    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 0.109. How confident can you be that your predicted value will be reasonably close to the actual value? A)I can’t

  25. Mathematics

    You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is .793. How confident can you be that your predicted value will be reasonably close to the actual value? A. I can't be

  26. Math

    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 0.109. How confident can you be that your predicted value will be reasonably close to the actual value? • a) I

  27. Algebra 1

    You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.993. How confident can you be that your predicted value will be reasonably close to the actual value? a. I can't be

  28. Algebra I

    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 -0,993. How confident can you be that your predicted value will be reasonably close to the actual value? a. I can't

  30. Algebra

    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, 206, 240, 253, 255 what is the correlation of the set of data? Round your answer to the nearest thousandth.

  31. Algebra. Please help me understand.

    24. 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? 25. A

  32. Math

    23.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 . Can you be confident that your predicted value will be reasonably close to the actual value? Why or why

  33. math

    A set of data is shown below. x: –1 0 1 2 3 4 5 y: 3 7 5 6 7 8 Using a line of best fit, what is the value of the residual for the data at x = 2? Round your answer to the nearest thousandth. I dont remember line of best fit if you could please explain

  35. Math

    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 is -0.993. How confident can you be that your predicted value will be reasonably close to the actual value? a. I can't be

  36. Math (Please help ASAP!!)

    24. 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? My

  37. Math

    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? My guess is

  38. Algebra

    10. Write an equation in point-slope form for the line through the given point with the given slope. (5, 2); m=3 a. y+2=3(x-5) *** b. y+2=3x-5 c. y-2=3(x+5) d.y-2=3(x-5) 11. Write an equation in point-slope form for the line through the given point with

  40. Math

    Explain how a line of best fit can be used to make predictions. You explanation should be at least 3-4 sentences and include at least 6 of the following words. - line of best fit - slope - y-intercept - prediction - ordered pair - independent variable -

  41. Math

    As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? I really don't get this

  42. Math

    Can you guys give me a example not a link please As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend

  43. Math

    Discussion Topic: As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data?

  45. 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,

  46. science

    As part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? can you please tell

  47. math

    As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data?

  48. math

    as part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? what are other scenarios in which you would use data to make a prediction? how would you defend your prediction using data?

  50. discussion

    As part of their job, meteorologists make weather predictions from data. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? Please Help!!!!!!!

  51. math

    I don't understand this problem at all. It involves finding the line of best fit. The question says, for a set of data, the line of best fit is y= -3x-4 and that r^2 is 0.22. What is the correlation coefficient? I don't know how to solve this.

  52. Math

    A runner times her to see how long it takes her to run different distances. The table shows the runner's times (in minutes) for running several distances (in miles). Miles| 1 | 2 | 3 | 4 | 6 | 8 | 10 | 12| Time | 7|16|30|35|57|75|106|132| About how long

  53. Science - Please Look!

    The senses are used to make which of the following? inferences predictions evaluations ((**observations**)) You walk into the kitchen and see a broken egg on the floor. Which of the following is an inference you can make based on this observation? ((**The

  55. Mathematics.

    A college football coach wants to know if there is a correlation between his players’ leg strength and the time it takes for them to sprint 40 yards. He sets up the following test and records the data: Every day for a week, he counts how many times each

  56. 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?

  57. math

    A data set is shown below. x y 1 6.00 2 5.04 3 4.23 4 3.56 5 2.99 6 2.51 7 2.11 Using an exponential best-fit model, what is the residual when x = 1. Round your answer to the nearest hundredth. This is the problem i dont understand line of best fit i dont

  58. math help pls pls

    You suspect that the spiciness of food served in a restaurant is positively correlated with number of soft drinks ordered. You have gathered several observations of people ordering food of different spice-levels and the number of soft drinks they ordered.

  60. 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

  61. algebra 1

    Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit? y = three fourths x − 7 y = four fifths x + 7 *** y = three over two x + 7 y = two thirds x − 7

  62. algebra 1 math

    Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit? y = three fourths x − 7 y = four fifths x + 7 *** y = three over two x + 7 y = two thirds x − 7

  63. Algebra 2 grade 11

    Write a prediction line (equation of line of best fit) for the points in the table: x 2 4 6 y 7 13 19 Show all work! List points then write an equation in y = mx+b form. Use the prediction equation to predict the y value for x = 25.

  65. algebra 1

    Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit? y = three fourthsx − 7 y = four fifthsx + 7 *** y = three over twox + 7 y = two thirdsx − 7

  66. math

    Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit? y = three fourthsx − 7 y = four fifthsx + 7 y = three over twox + 7 y = two thirdsx − 7

  67. 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

  68. prob and stats

    Using the data from question #1, what is the equation of the line of best fit? (For future reference: line of best fit, linear regression equation, and least-squares line are all the same thing y=ax+b). Round your answers to the nearest tenth. x :

  70. Math (Mrs. Sue, please help?)

    Describe how you can make the line of best fit. Write the approximate slope and y-intercept of the line of best fit. Show your work. So, I know how to make a line of best fit-- how do I write the y-intercept or slope of it, though? Please, please help. The

  71. Precalculus

    Question Details: Finding Regression for each set of data & finding best fit equation for each set of data: Data 1: X: 1 2 3 4 5 Y: 3.1 12.1 20.7 33.9 50.8 Data 2: X: 1 2 3 4 5 Y: 1.16 3.46 5.11 5.98 6.75

  72. algebra 1

    The following table shows the daily distances of a person training to become a runner. Write the line of best fit for the data in form y=mx+b. Round to the nearest hundredth (two decimal places) and do not use spaces in your answer. Days 1 5 7 10 Miles .21

  73. Quick math help

    a set of data points has a correlation r= -0.86 your friend claims that because the correlation is close to -1 it is reasonable to use the line of best fit to make predictions is your friend correct explain your reasoning. I say she isn't correct because

  75. statistics

    this is what we are supposed to do to began this paper Create a Microsoft® Excel® spreadsheet with the two variables from your learning team's data set. I understand the spreadsheet I think the variables are employee satisfaction, hours worked per week,

  76. math

    The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. Age (in years) Weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 Part A: Create a scatter plot to represent the data shown

  77. statistics(best fit line)

    I'm trying to graph a set of points with data, and I have been given the equation for the best fit line, but when I graph it, the line doesn't match up with the data. It's either too steep or too low. I think it has to do with my intervals for the x and y

  78. Math

    2-4 paragraphs plus two graphs Details: Many different kinds of data can be modeled using polynomial functions. An example of a polynomial function would be gas mileage for an automobile. If we compare gas mileage at two different speeds, V1 and V2, the

  80. 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

  81. Computers

    I am supposed to type out a report, but our Microsoft Office Word program is messed up somehow. I have the letters set to Times New Roman size 8... but they're HUGE!!!!!!!! So big I can only fit about 5 sentences on a page. Also, at the end of every line,

  82. math

    A runner times herself to see how long it takes her to run different distances. The table shows the runner's times (in minutes) for running several distances (in miles). Miles: 1|2|3|4|6|8|10|12 Time: 7|16|30|35|57|75|106|132 About how long would you

  83. Intermediate Alg

    how do you find the prediction equation for a given set of data?

  85. Chemistry

    Given data collected for a liquid. Equilibrium vapor pressure in torr: 4.6, 17.5, 149.4, 525.8 T in *C 0., 20., 60., 90. *Find T in K, Find 1/T in K-1 and 1n VP. *Then make a graph of 1n vapor pressure (1n VP) versus 1/T (where temperature is in units of

  86. statistics

    Below are six data sets with 6 randomly selected scores in each data set. Your task is to determine if the scores were drawn from a population with μ = 5. Before you calculate the one-sample t test for each sample, make a guess as to whether or not you

  87. math

    ok the directions say.. "using different scales,make either two line graphs or two bar graphs for the set of data.use a break symbol in only one of the graphs.explain which graph shows the data more clearly. "data" ___________________________________ year

  88. Algebra

    For question 3-4, use your calculator to create a scatter plot and line of best fit for the following set of data: Average height of a species of tree (in feet) after a certain number of years. Years:1/2/3/4/5/6/7/8

  90. PHYSICS 1 ..'''''''''''''''''''''''' helllpppppppp

    when different loads hang on a spring, the spring stretches to different lengths as shown in the following table(a)make a graph of the applied force versus the extension of the spring.(b)by least-squares fitting,determine the straight line that best fits

  91. Algebra

    Make a dot plot for each set of data. Compare and contrast the shape, spread, and center of the data. Set A = {4, 5, 6, 3, 3, 2, 4, 5, 8, 2, 5, 13} Set B = {5, 6, 4, 2, 8, 4, 5, 6, 5, 2, 8, 3, 7, 3}

  92. 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?

  93. Algebra

    The table shows the temperature (in degrees) for eight consecutive days as well as the respective number of ice cream cones an ice cream shop sold on each of these days. Temperature: 68, 77, 83, 85, 89, 94, 96, 99 number of cones: 403, 447, 457, 465, 489,

  95. Math

    The table shows the temperature (in degrees) for eight consecutive days as well as the respective number of ice cream cones an ice cream shop sold on each of these days. Temperature: 68, 77, 83, 85, 89, 94, 96, 99 number of cones: 403, 447, 457, 465, 489,

  96. Intermediate Algebra

    how do you find the prediction equation for a given set of data? plz help final tomorrow!!

  97. Math intermediate algebra

    how do i find the prediction equation for a given set of data? Final tomorrow plzz help

  98. algebra

    There are many measurements of the human body that are positively correlated. For example, the length of one's forearm (measured from elbow to wrist) is approximately the same length as the foot (measured from heel to toe). They are positively correlated

  100. Science - Please Check My Written Answer

    Please help me with the following: Briefly explain why experiments having faulty design or inconsistent data are problems for scientists. List several reasons. There are several reasons that experiments with faulty designs or with inconsistent data are

  101. statistics

    The following data on the number of iron workers in the United States for the years 1978 through 2008 are provided by the U.S. Bureau of Labor Statistics. Using regression techniques discussed in this section, analyze the data for trend. Develop a scatter

  102. math

    The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. Age (in years) Weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 Part A: Create a scatter plot to represent the data shown

  103. MATH 7

    1: What is the median of the data set: 25,8,10,35,5,45,40,30,20 A:10 ~ B:22.5 C:25 D:27.5 2: What is the upper quartile of the given data set: 25,8,10,35,5,45,40,30,20 A:35 B:37.5 ~ C:37 D:40 3: What is the lower quartile of the given data set:

  105. Math Help me PLZ!

    1: What is the median of the data set: 25,8,10,35,5,45,40,30,20 A:10 ~ B:22.5 C:25 D:27.5 2: What is the upper quartile of the given data set: 25,8,10,35,5,45,40,30,20 A:35 B:37.5 ~ C:37 D:40 3: What is the lower quartile of the given data set:

  106. math

    A zookeeper measured the lengths of green iguanas to chart their growth. She plotted her results on the line plot. Which set of data was used to make the line plot?

  107. math

    Make a line plot for the set of data. 61 58 57 64 59 57 64 58 56 57 A teacher asks her class of 22 students, "what is your age?" Their responses are shown below. 19 19 14 16 19 19 16 16 15 17 16 17 16 15 14 15 15 17 14 16 15 Find the mean median and mode

  108. math

    4. For Questions 4-7, use the following data: The number of file conversions performed by a processor per day for 10 days was: 15, 27, 25, 28, 30, 31, 22, 25, 27, 29 What is the arithmetic mean of the data? (Points: 5) 20.7 25.9 27 29 5. What is the

  110. Math

    In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and other. Find the median of the data set in Example 3. In which category does it fall? Find the average unemployment rate for

  111. Math

    I am stumped and confused can someone help? The following data set gives the difference between the winning and losing scores in 50 randomly observed high school basketball games: 2, 12, 1, 2, 12, 5, 14, 2, 45, 9, 1, 8, 18, 28, 9, 4, 30, 16, 4, 12, 8, 13,

  112. Physical world science

    A study measuring the max height reached for various launch velocities and obtained the following data: V at m/s max height 0 0 10 28 20 35 30 42 40 49 50 56 60 63 70 70 1. plot the data on a graph 2. draw a best-fit line or curve through the data points

  113. Math

    The following data sets can be modeled linearly. Data Set M: {(14,95), (9,85), (4,65), (6,80), (3,73), (12,107), (7,64), (12,86), (10,96), (9,64), (1,44)} Data Set N: {(13,109), (9,85), (4,65), (6,80), (3,63), (12,107), (7,76), (11,100), (10,96), (8,85),

  115. Math

    18. The mean is defined as the A. range of the data set. B. average of a data set. C. middle of the data set. D. number that shows up most often in a data set.

  116. Math

    A group of nine students has a mean of 3.5 people in their households. Make a line plot showing an example of this data set

  117. algebra 2

    if the equation for the regression line for the data set (3,6), (6,2), (9,10) is y=2/3x+2, what is the sse for the data set? A. 16 B. 10 C. 4 D. 24

  118. 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.

  120. Statistics

    I you are told that a data set has a mean of 25 and a variance of 0 you can conclude that A)There is only one observation in the data set B) There are no observations in the data set C)All of the observation in the data set are 25 D)Someone has made a

  121. Business

    A frequency distribution is obtained by A. listing the values in sets of data individually. B. taking the difference between the highest and the lowest value in each set of data. C. summing the values of a set of data and dividing by the number of values

  122. Math

    The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A 65,62,61,61 75,71,70 82,81 90 Soil B 59 63,69 70,72,73,76,77,78 83 a) Describe the overlap of the two sets of data. b) Calculate

  123. Science

    This step includes recording data, taking photos, and coordinating information. Make a hypothesis Make a prediction Observe the problem*** Define a problem

  125. algebra

    Two similar data sets are being compared. The standard deviation of Set A is 4.8. The standard deviation of Set B is 6.5. Which statement about the data sets is true? a)The mean of the data in Set B is greater than the mean of the data in Set A. b)The

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