# Which value of r represents data with a strong negative linear correlation between two variables? 1) -1.07 2) -0.89 3) -0.14 4) 0.92

26,129 questions, page 106-
## Software Engineering

Create an automatic question paper generator system in JAVA which involves Artificial Intelligence with the following requirements: The system should generate a test paper automatically based on the difficulty level. For this create a fake data for 25

*asked by Siddartha on March 14, 2017* -
## physics

a very strong girl runs 200 miles for several hours. After a brief rest she runs another 100 miles north. She stops for the night at a local bed and breakfast and the next morning ealks 75 miles directly south-east. Find the magnitude and direction of her

*asked by idk 22 on September 28, 2010* -
## Chem Help - Thank you!

Explain the following: 1) Ethylene, C2H4 is a planar molecule, but hydrazine, N2H4, is not 2) ICl2- is linear, but NH2- is bent 3) Of the compounds mercury(II) cyanate, Hg(OCN)2 and mercury(II) fulminate, Hg(CNO)2, one is highly explosive, the other is

*asked by Shirley on September 5, 2016* -
## chem

What type of hybridization corresponds to what type of bond? numerous kinds. sp3 is tetrahedral, sp2 is trigonal planar, sp is linear, d2sp3 is octahedral, etc. I'm sure these are in your text. But these hybrids of coordination number 4, 3, 2, and 6 are

*asked by john on December 16, 2006* -
## Physics

An automobile tire has a radius of 0.380 m, and its center moves forward with a linear speed of v = 19.0 m/s. (a) Determine the angular speed of the wheel. (Assume that there is no slipping of the surfaces in contact during the rolling motion.) rad/s

*asked by Zay on April 4, 2008* -
## Physics

A ball of mass 0.2 kg tied to string and whirled in a chorizontal circle of radius 0.4 m if ball makes 10 complete revolution in 4secs determine linear speed centripetal acceleration and centripetL force??

*asked by Anonymous on January 22, 2018* -
## Physics

Consider a cube of an unknown material. When heated by 10 K, each side expands by 1%. Using *only this information*, what is the ratio between the coefficent of volume expansion and the coefficient of linear expansion (i.e., beta/alpha)? Express your

*asked by StressedStudent on November 23, 2012* -
## Physics

When a 34-m-long metal pipe is heated from 13 °C to 39 °C, it lengthens by 2.56 cm. Determine the linear expansion coefficient. I tried to start by taking the difference of temperature times the length of the pipe and finally divide 2.56 by the number i

*asked by Ashely on December 8, 2014* -
## math (repost)

Question: Can MSI (1000 sq inch) be converted into "linear feet"? Answer that was given: Yes, 1MSI = 6.94 ft In a previous post I was told to divide 1000 by 144, but won't that just leave me with 6.94 sq ft? I'm still a bit confused by this, can some one

*asked by mary on August 17, 2011* -
## Math

Strong winds called the prevailing westerlies blow from west to east in a belt from 40 degree to 60 degree latitude in both Northern and Southern Hemisphere. 1.Write an inequality to represent the latitudes where the prevailing westerlies are not located.

*asked by Shadow on March 18, 2010* -
## physics

A strong electromagnet produces a uniform field of 1.31 T over a cross-sectional area of 0.195 m2. A coil having 245 turns with a total resistance of 16 is placed around the electro- magnet, and the current in the electromagnet is turned off, reaching zero

*asked by Anonymous on March 6, 2013* -
## statistics

Please analyze the following data using the T-test for Unpaired data: A school district wants to determine if the girls are equal to boys in test scores. They took a random sample of 22 8th grade girls and 24 8th grade boys. The district looked at recent

*asked by Barbara on February 28, 2010* -
## Science... plz help me...

I am dong a science project on the "Effect of humidity on the hair of mammals?" Now my teacher wants me to make outline but first I have to make up questions on my topic..... Can you help me make up 2 questions? -Thanks a lot from Kerstin =) This sounds

*asked by kerstin =) on December 7, 2006* -
## math

Which comparison sentence best represents the equation? 6x7=42 7 is 6 times as many as 42. 6 is 7 times as many as 42 or 42 is 6 times as many as 7.

*asked by ezekiel on October 16, 2013* -
## MATH

in the square, A represents the area of the square. Find the value of a such that A is equal to two times the square.

*asked by John Dosley on September 19, 2016* -
## physics

How much work is done to move 1.0 micro coloumb of charge from the negative terminal to the positive terminal of a 1.8V battery?

*asked by JOHNNY on September 29, 2009* -
## Physics

A metal sphere has a net negative charge of 11 x 10^-6 coulomb. Approximately how many more electrons than protons are on the sphere?

*asked by Dom on March 20, 2011* -
## Physics...PLZ HELP

How much work is done to move 1.0 micro coloumb of charge from the negative terminal to the positive terminal of a 1.8V battery?

*asked by JOHNNY on September 29, 2009* -
## math

ARE KELVIN TEMPERATURES EVER POSITIVE WHEN CELSIUS TEMPERATURE ARE NEGATIVE? IF SO FOR WICH CESIUS TEMPERATURE? IF THIS NEVER HAPPENS,EXPLAIN HOW YOU KNOW

*asked by jared on January 31, 2008* -
## STATISTICS

A particular diagnostic test for disease X has a sensitivity of 90% and a specificity of 90%. What is the negative predictive value of the test? 90% 10% 1% 18% It cannot be determined from the information given.

*asked by Help please!!! on August 7, 2013* -
## english-learning styles

what is a danger of being field independent or field dependent and the reflection in classroom?positive and negative sides? thank you

*asked by jilly on November 30, 2008* -
## math

When solving the inequality 10x + 22 < 2, the second step should say 10x > −20 because I added -22 to both sides and I got a negative number on the right. Is this correct?

*asked by kayla b. on November 8, 2017* -
## calc

Give 2 positive and 2 negative angles that are coterminal with each angle? 1. 30 degrees 2. 135 degreed 3. -93 degrees

*asked by peter on March 31, 2009* -
## calc

Give 2 positive and 2 negative angles that are coterminal with each angle? 1. 30 degrees 2. 135 degreed 3. -93 degrees

*asked by peter on March 31, 2009* -
## chemistry

The density of dry air measured at 25 degrees celsius is 1.19 x 10 to the negative 3 g/cm cubed. What is the volume of 50.0g of air?

*asked by Jasmine on October 13, 2011* -
## algebra

What is the slope of the line that is perpendicular to the line represented by the equation below? 4x - 5y = -1 A. 4/5 B. -4/5 C. 5/4 D. -5/4 is this c or d? reiny, i used what you said, but since this is subtraction i was unsure of whether or not it would

*asked by caduceus on November 10, 2013* -
## math

use the digits 0,2,4,6,8 exactly once to form a 3-digit and 2-digit NEGATIVE intfer that will give you the LEAST possible sum when the two intergers are added together.

*asked by tina on September 17, 2011* -
## math

Please solve -2x+7>22 -2x+7-7>22-7 -2x>15 -2x/(-2)

*asked by Anonymous on September 22, 2010* -
## STATISTICS

A particular diagnostic test for disease X has a sensitivity of 90% and a specificity of 90%. What is the negative predictive value of the test? 90% 10% 1% 18% It cannot be determined from the information given

*asked by Susie on August 6, 2013* -
## english

how do i turn this sentence People who attract a lot of friends are neither negative nor greedy. into a parallel sentence

*asked by mechia on September 26, 2011* -
## math

How do I do this? Without a calculator, determine two angles between 0 degrees and 360 degrees that have a cosine of negative square root 3 over 2.

*asked by Tristan on March 18, 2013* -
## algebra,math,

is this factorable its a trinomial: x^2+2x+3 No, not factorable in the real number system. b^2 -4ac is negative, so the roots are imaginary.

*asked by jacky20 on April 18, 2007* -
## Math

When Adding A Negative Number On A Numberline You Move Left On the Number Line. True Or False

*asked by Zhanise on April 4, 2013* -
## Number theroy

What is the 50th smallest positive integer that can be written as the sum of distinct non-negative integer powers of 3?

*asked by Stranger on March 18, 2013* -
## math

How do you write a power of 10 in exponents when dealing with 1 hundredth. Thank you 1/100 = 10^(-2) :) 1 divided by 100 is .1, so why is it 10 to the negative 2nd?

*asked by chris on November 15, 2006* -
## Math

I'm confused, please help. If a quarterback had 112 positive yards and 61 negative yards what was his total yardage, should I add both together?

*asked by Lily on November 25, 2013* -
## Physics

A child pulls a toy across the floor. Is the work done on the toy positive or negative? Explain your reasoning.

*asked by Anonymous on December 10, 2006* -
## finance

The bonds we discussed in class have positive convexity. What does a bond need to have in order for convexity to be negative? Do you know of such instruments?

*asked by sasi on April 4, 2015* -
## Calculus

F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.

*asked by Anonymous on August 23, 2015* -
## math

my question in (slope) find the coordinates of a quadrilateral so that the slope of all four sides are negative ??? please explain your answer .

*asked by mota on November 30, 2007* -
## Calc

Evaluate the integral or show that it diverges: Integrand 0, lower, to 3, upper, (1/x)dx. a. infinity b. negative infinity c. 0 d. ln 3 e. none of the above

*asked by Darren on January 25, 2013* -
## Calculus

F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.

*asked by Anonymous on August 23, 2015* -
## algebra 2

Find two negative numbers such that the sum of their squares is 170 and twice the square of the first minus 3 times the square of the second is 95

*asked by aaron on April 15, 2013* -
## College algebra

Use descartes rule of sign to determine the possible number of positive real zeros and possible number of negative 6x^5-6x^4+7x^3-8

*asked by Samer on November 9, 2014* -
## Alegebra, math 116

1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56

*asked by Jess on November 22, 2009* -
## Stastics

When we convert x-value to z- score and use Standard Normal distribution, which of the following statements is true? a) The mean of z-score is zero and standard deviation of the z-scores is the same as the standard deviation of original data b) The mean

*asked by Mary on March 7, 2010* -
## Algebra tiles

I need help with set up. So on the left side box n positive side I have 3 rectangular boxes colored in (3x) and 3 small boxes one colored two are not (1)(-2). Then on the negative side only one colored box -(1). So would this be 3x+1+(-2)-(1) ? On the

*asked by Stacy on September 18, 2018* -
## Math

how do you do this? i don't get it. The drama club plans to attend a professional producion. From 10 to 35 students will go. There is a one-time handling fee of $3. Each ticket costs $25 plus a $2 surcharge. Write a linear function that models this

*asked by Angie on March 16, 2009* -
## linear algebra

use a computer software or graphing utility to solve the system of linear equation. x₁+0.5x₂+0.33x₃+0.25x₄=1.1 0.5x₁+0.33x₂+0.25x₃+0.21x₄=1.2 0.33x₁+0.25x₂+0.2x₃+0.17x₄=1.3 0.25x₁+0.2x₂+0.17x₃+0.14x₄=1.4

*asked by =) on June 25, 2014* -
## satistics

Rank the following data in increasing order and find the position and value of the 65th percentile. Please show all of your work. 2 1 6 3 4 7 0 0 0 7 5 8

*asked by latoya on August 20, 2012* -
## algebra math

What are two equations that model the data? What are the domain and range of each equation? Month|Sales 2 | 3 4 | 5 6 | 4 8 | 6 10 | 5 12 | 12 14 | 16 16 | 22 18 | 26 20 | 32 I am very confused about how to do this question.

*asked by edison1969 on July 2, 2014* -
## chemistry

Consider the reaction 3CH4(g)= C3H8(g)+ 2H2(g). Using data from Appendix C in the textbook, calculate delta G at 298 K.

*asked by Anonymous on February 14, 2012* -
## math - graphs

what type of graph is best to show the relationship between religion and countries of number or supporters/followers data?

*asked by Anonymous on September 28, 2008* -
## ece

analyze the importance of collecting and reviewing data before implenting. Specific interventions to address challenging.

*asked by bowser on October 12, 2012* -
## Chemistry

Only 0.0640 grams of PbF2 will dissolve in 100.0 mL of solution. From this data, calculate the Ksp by two methods.

*asked by sea lively on August 14, 2018* -
## Advanced Accounting

The following data are taken from the statement of affairs of the Monroe Company. (Assume that the realizable values of assets are accurate.)

*asked by Dog on December 29, 2010* -
## Chemistry Dr.Bob222==> Take a Look

what is this compound, it has a mf of c6h12o i. imgur. com/gCgw0Hi. png What may be the structure from the IR and H NMR data? This question is bugging me.

*asked by Devron on January 25, 2013* -
## Edu

How can data from various sources relating to the learners' progress be used as a tool to drive the standards-based instruction?

*asked by Gwen on September 28, 2013* -
## statistics

Can someone tell me how to run data in Megastat on attribute values. I have an assignment and I need to get descriptive statistics on education levels

*asked by Madison on October 1, 2008* -
## stats.

All the following are measures of variability or dispersion within a set of data except? range, median, standard deviation, variance

*asked by Linda on April 13, 2013* -
## Statistics

Is the following classified as interval, ordinal or nominal data? The marks achieved by the students in a statistics course out of 100.

*asked by Rhea on September 29, 2010* -
## computer

Assuming you were generating 200 MB of new data per week,at what point would you need to add another hard disk to your computer?

*asked by Ansu Davies on September 18, 2014* -
## Public Administration

Explain the budget system model, its consistency with democratic theory, and the importance of data measures.

*asked by Lisa on October 7, 2012* -
## hcs/533

How might inaccurate data captured during the inpatient encounter result in harm to the patient? How can such errors be minimized

*asked by keisha on January 5, 2011* -
## statistis

73 72 67 74 78 84 79 71 76 76 79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the following:the range, (b) the variance, and (c) the standard deviation

*asked by melissa on March 23, 2015* -
## math

How many ways are there to write 7 element data lists of integers in # order with Median 21, mean 20 range 10 and the Mode 22 and what are they?

*asked by astin on March 27, 2011* -
## chemistry

What data would you need to evaluate the claim that a certain product neutralizes 47 times its weight in excess stomach acidity?

*asked by Emma on October 19, 2010* -
## math

Select the best graph: 1. What data display would best list the frequency of the number of students that received an 85% on test?

*asked by Isabella on April 7, 2014* -
## math

Describe a situation this week when you used math to solve a problem involving data, graphs and statistics.

*asked by Anonymous on December 29, 2014* -
## Business

What is the value of analyzing foreign trade data? For example, what should the quadrupling in real terms of exports in just 30 years indicate to businesspeople?

*asked by Luo on September 18, 2012* -
## Math--1 question

Find the mean, median, mode, and range of the data: 32, 34, 30, 35, 33, 31, 54. If necessary, round to the nearest tenth. Show your work.

*asked by Anonymous on November 26, 2014* -
## computers

Which of the following types of memory contain data that cannot be modified by the user? (Points: 5) a. simm b. dimm c. RAM d. ROM is it D

*asked by Julie on November 4, 2011* -
## science

Which option would guide the thought processes of a scientist? instinct hearsay opinion empirical data D?

*asked by Bri on February 15, 2018* -
## Health

Which of the following activities is supported by patient data? Evaluation of care Clinical education Financial viability All of the above

*asked by Anonymous on June 13, 2016* -
## Statistics

For a set of data with mean 12 and variance 9, approsimately 68% of the values will fall between 6 to 18. Is the true or false and how do you find the answere?

*asked by Belinda on April 7, 2011* -
## Chemistry

We are asked to find the pH of a buffer solution of Dinitrophenol and NaOH,with the necessary data given. Do they react at 1:1 ratio? What would be the products?

*asked by Beth on July 19, 2017* -
## math

the pea data is;2,3,4,5,6 and the frequency is ; 7,9,5,3,1 find the mean, median, mode and midrange number of peas per pod

*asked by rita on April 7, 2011* -
## MATH(please check only)

Number of Cans of Corn Cost 3 $1.95 5 $ 3.25 6 $3.90 9 $5.85 Write an equation to represent the data how do i do that I think the answer is 0.65n = c

*asked by Robby on April 26, 2011* -
## statistics

rank the following data in increasing order and find the position and value of the 94,51st percentile. show all work. 4,5,4,9,9,1,0,7,4,8,0,9

*asked by mary on October 11, 2010* -
## Math

Which type of function bet models the data in each table? Use differences x y 12) 0 0 1 1.5 2 6 3 13.5 4 24 13) x y 0 -5 1 -3 2 -1 3 1 4 3 14) x y 0 1 1 1.2 2 1.44 3 1.728 4 2.0736 Can someone help me plz with these three??

*asked by that emo girl! on May 8, 2018* -
## Math

In a normal distribution, approximately what percentage of data items fall within one standard deviation of the mean(in both directions)?

*asked by Anonymous on November 22, 2015* -
## math 100

A normal distribution has a mean of 85.7 and a standard deviation of 4.81. Find the data value corresponding to the value of z given. (Enter your answer to four decimal places.) z = 0.55

*asked by ryan on November 9, 2018* -
## chemistry

Given the following data at 298K, calculate delta S for : 2Ag2O(s) -> 4Ag(s) +O2(g) deltaS(J/mol.K)121.3 42.6 205.2

*asked by Amy on May 30, 2011* -
## psychology

need to identify at least four key milestones in the development of cognitive psychology as a discipline, need some data to help me discuss this question

*asked by Rose on May 8, 2010* -
## geometry

based on the data in your table and the scatterplot write and equation for the width of the rectangle in the terms of the legth

*asked by juan garcia on July 21, 2011* -
## Math

can please someone help me to solve this question: 18 MB of data are to be transmitted over a 4 megabits per second connection. How long should the complete transmission take, to the nearest 0.1 s?

*asked by Ramond on February 9, 2011* -
## Math

Come pleat the table to represent each part of the formula. The data values have been put in ascending order. ---- X, (X, - x) 2 30 ? 32 ? 33 35 49 50 50 71 73 77

*asked by Ashley salisbury on March 3, 2015* -
## English language learned

How can data from various sources relating to the learners' progress be used as a tool to drive the standards-based instruction?

*asked by Anonymous on October 1, 2010* -
## statistics

What scale of measurement is used when the data is divided into ranges and in which the distance bet.ween the intervals is meaningful

*asked by mary on January 20, 2011* -
## math 100

Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score Frequency 90 2 80 5 70 9 60 6 50 4 40 1 30 2 0 5

*asked by ryan on November 4, 2018* -
## math 100

Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score Frequency 90 1 80 4 70 7 60 6 50 3

*asked by ryan on November 4, 2018* -
## chemistry

Given the following data at 298K, calculate delta S for : 2Ag2O(s) -> 4Ag(s) +O2(g) deltaS(J/mol.K)121.3 42.6 205.2

*asked by Amy on May 30, 2011* -
## matLab

Write a function file that determines the value of n2 over the range 1 to n. Plot your data on separate plots in the same window for n=3, 6, 9, and 12.

*asked by Anonymous on March 2, 2015* -
## 5th grade

Math. How can I make up a data set of at least 12 numbers that have the following landmarks, maximum 18: mode: 7, range: 13, median: 12?

*asked by caitlin on October 14, 2010* -
## Managerial accounting

For its fiscal year ending October 31, 2008, Molini Corporation reports the following partial data

*asked by Keshia on December 8, 2009* -
## 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

*asked by Joe on January 5, 2010* -
## Math

Marco is analyzing sales data from the week and writes down the numbers shown 10,12,15,6,20,13,17 what is the interquartile range ?

*asked by PLEASE ANSWER on May 24, 2016* -
## nursing

What is the nurse’s role in data collection, patient privacy, and ethical treatment of human subjects?

*asked by julie on September 22, 2011* -
## math 100

A normal distribution has a mean of 85.4 and a standard deviation of 4.88. Find the data value corresponding to the value of z given. (Enter your answer to four decimal places.) z = −3.42

*asked by ryan on November 9, 2018* -
## business

teh question is Fill up an applicaton for shares with fictitious data. i want to know the specific site to get this.pleeze help.

*asked by naina on June 3, 2008*

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