Monday

April 21, 2014

April 21, 2014

Number of results: 17,406

**statistics/correlation relations**

We have no access to your scatter diagram.
*Tuesday, February 14, 2012 at 12:39am by PsyDAG*

**Statistics**

The correlation is 0.14. The Pearson r is the correlation coefficient and is a measure of correlation, which can be positive or negative. The closer the correlation is to 0, the weaker it is. The closer to +1 or -1, the stronger it is. If you have a correlation of +1 or -1, ...
*Saturday, June 27, 2009 at 3:26pm by MathGuru*

**statistics**

Given the following scatter diagram , the sample correlation coefficient r: Has a positive linear correlation Has a negative linear correlation. Has little or no correlation. Looks close to + 1.00
*Thursday, August 19, 2010 at 6:40pm by Karen*

**Statistics**

True 1. CORRELATION Correlation means that two variables (sets of data) have some type of association with each other, such that as one variable increases, the other also increases (a positive correlation), or decreases (a negative correlation).
*Tuesday, November 5, 2013 at 10:41am by Kim*

**stats**

For a positive correlation, both variables increase/decrease together. For a negative correlation, one variable increases while the other decreases. I'll let you suggest the causal relations. Does T cause E, E cause T, or some third factor effect both?
*Saturday, April 27, 2013 at 10:28pm by PsyDAG*

**statistics**

Make up a scatter diagram with 10 dots for each of the following situations: 1. perfect positive linear correlation, 2. large but not perfect positive linear correlation, 3. small positive linear correlation, 4. large but not perfect negative linear correlation, 5. no ...
*Sunday, March 18, 2012 at 11:27pm by Dawm*

**statistics/correlation relations**

25 Marks: 1.00 The value of a correlation is reported by a researcher to be r = -0.5. Which of the following statements is correct? Choose one answer. a. The x-variable explains 50% of the variability in the y-variable. b. The x-variable explains -50% of the variability in the...
*Tuesday, February 14, 2012 at 12:39am by nancyjean*

**Statistics **

Of you perceived a linear model, then the coefficient of correlation was .7, a strong correlation.
*Monday, August 8, 2011 at 2:48pm by bobpursley*

**Statistics**

How would you interpret the findings of a correlation study that reported a linear correlation coefficient of +0.3?
*Wednesday, July 4, 2012 at 7:07pm by Jane*

**Statistics**

How would you interpret the findings of a correlation study that reported a linear correlation coefficient of − 1.34?
*Tuesday, October 11, 2011 at 8:21pm by robyn*

**Statistics and Research Methods**

Here are a few hints: The Pearson r is the correlation coefficient and is a measure of correlation, which can be positive or negative. The closer the correlation is to 0, the weaker it is. The closer to +1 or -1, the stronger it is. If you have a correlation of +1 or -1, then ...
*Thursday, April 11, 2013 at 7:48pm by MathGuru*

**statistics**

Selected students means you are dealing with a sample from a population. The best you can do with a sample is to estimate the correlation coefficient of the population, or the correlation coefficient of the sample. See the formulas and examples from: http://stattrek.com/...
*Saturday, April 6, 2013 at 5:16pm by MathMate*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Thursday, November 8, 2012 at 9:35am by John*

**statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Wednesday, November 14, 2012 at 1:02pm by joey*

**statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Thursday, November 15, 2012 at 10:26am by joey*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Friday, November 16, 2012 at 10:34am by John*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Sunday, November 18, 2012 at 10:23am by John*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Monday, December 17, 2012 at 11:14am by Jill*

**Statistics**

Suppose the correlation between two variables is -0.57. If each of the y-values is multiplied by -1, which of the following is true about the new scatterplot? It slopes up to the right, and the correlation is -0.57 It slopes up to the right, and the correlation is +0.57 It ...
*Tuesday, December 18, 2012 at 10:56am by Jill*

**Statistics**

Yes, using http://easycalculation.com/statistics/correlation.php I get .8519
*Saturday, February 5, 2011 at 4:48pm by Damon*

**Correlations**

Which type of correlation would you expect to see between the distance traveled and the time it takes to travel that distance? A. positive correlation B. negative correlation C. no correlation idk why this question is confusing me, but it is
*Monday, November 11, 2013 at 11:20pm by hermes*

**algebra**

Which type of correlation would you expect to see between the distance traveled and the time it takes to travel that distance? A. positive correlation B. negative correlation C. no correlation idk why this question is confusing me, but it is
*Tuesday, November 12, 2013 at 12:25am by hermes*

**Statistics (partial)**

I don't know about the second question, but the variation accounted for by a correlation coefficient is found by squaring the correlation coefficient.
*Sunday, May 26, 2013 at 8:37am by PsyDAG*

**Statistics**

correlation coefficient is not related to p value. You cannot draw conclusions using the correlation coefficient.. I changed my mind... The answer is True.. If it was o.30 or bigger it would be false..
*Friday, August 30, 2013 at 7:19am by Susie*

**Statistics**

In case you don't already know this, with a positive (+) correlation, both variables tend to increase/decrease together. With a negative (-) correlation, one variable increases, while the other decreases. I hope this helps a little more. Thanks for asking.
*Saturday, June 27, 2009 at 3:26pm by PsyDAG*

**Algebra**

2. Find the value of x^3 +2x^2 -3 when x =3 Answer-42 12. What type of correlation would you expect between the number of minutes a candle burns and the height of the candle? a. no correlation b. positive correlation c. negative correlation d. equal correlation Answer-c 13. ...
*Sunday, August 7, 2011 at 5:06pm by lizzie*

**statistics**

A government researcher wants to conduct a study to determine if there is a correlation between social security numbers and income. He collects the paired data from a random sample of 100 people. Should the methods of this chapter be used with the linear correlation ...
*Monday, July 22, 2013 at 9:39pm by ky*

**statistics**

http://easycalculation.com/statistics/learn-correlation.php
*Wednesday, December 21, 2011 at 2:34am by PsyDAG*

**statistics in psychology**

11. Make up a scatter diagram with 10 dots for each of the following situations: (a) perfect positive linear correlation, (b) large but not perfect positive linear correlation, (c) small positive linear correlation, (d) large but not perfect negative linear correlation, (e) no...
*Monday, July 25, 2011 at 10:25am by desiree*

**Economics**

Please correct if I have stated the right correlation to the following relationships: a) volume of auto traffic and auto accident rate -> 0 correlation b) pesticide and crop yield -> negative correlation c) consumption and GDP -> positive correlation
*Tuesday, January 25, 2011 at 9:45pm by Anonymous*

**Psychology Statistics**

2 For a sample of n = 20 individuals, how large a Pearson correlation is necessary to be statistically significant for a two-tailed test with = .05? 3 The Pearson correlation is calculated for a sample of n = 25 individuals. What value of df should be used to ...
*Friday, April 26, 2013 at 8:19am by Chioma*

**math**

interpret an r value of -0.82. a)strong negative correlation B)weak negative correlation C)strong positive correlation D)no correlation
*Friday, November 13, 2009 at 12:01pm by princess*

**math**

I need a definition for this constant rate of change when graphing in mathematics and for Positive and Negative correlation and also what the pattern is in this a) 1000, 100, 10, 1 I'll give you a definition for positive and negative correlation. Correlation is a linear ...
*Wednesday, January 10, 2007 at 5:21pm by austin*

**statistics**

If the correlation coefficient is -0.54, what is the sign of the slope of the regression line? - As the correlation coefficient decreases from 0.86 to 0.81, do the points of the scatter plot move toward the regression line, or away from it
*Thursday, October 4, 2012 at 11:01am by mom*

**college statistics**

if the correlation co-efficient is o.32 what is the sign of the slope regression line as the correlation co efficient decreases from 0.78 to 0.71 do the oints of the scatter plot move toward the regression line or away from it
*Saturday, May 26, 2012 at 10:19am by melba*

**Math-Algebra II**

How would you interpret the findings of a correlation study that reported a linear correlation coefficient of − 1.34? The only thing I know is that it represents a negative correlation. Please shed any light you can.
*Wednesday, January 26, 2011 at 10:25pm by Michelle*

**Statistics!!!**

b. The correlation between the number correct on a math test and the time it takes to complete the test is -.45. Test whether this correlation is significant for 80 children at the .05 level of significance. Choose either a one-or two-tailed test and justify your choice.
*Monday, July 8, 2013 at 4:21pm by Ethel*

**math**

Yes, but some scientists will refer to r^2 as the correlation coefficient while others will refer to r as the correlation coefficient. So, what you should do is take the square root and say something like "the correlation coeffcient is given by r = 0.469". And then it doesn't ...
*Thursday, March 6, 2008 at 5:00pm by Count Iblis*

**Statistics**

1.What is the p value (“significance level”)? What does this p value mean? 2.How does the n (sample size) of this sample affect the r and p values? 3.Is there a relationship between assertiveness and whether one holds anger “in”? Descriptive Statistics Mean Std. Deviation N ...
*Wednesday, June 16, 2010 at 3:59am by Donald*

**Statistics**

Why do we need to distinguish between strong and weak correlation of data sets using best-fit lines? When a correlation has been established between the two data sets, how is it linked to causality? Please provide examples to support your answer.
*Tuesday, June 1, 2010 at 7:09pm by immanuel*

**Statistics**

foofy computes the correlation between an individual's physical strength and his or her college grade poing average. Using a computer, the correlation for a sample of 2000 people is r(1998)=+.08, p=<.0001. she claims this is a useful tool for predicting which college ...
*Sunday, July 10, 2011 at 9:58am by K*

**statistics**

Information missing, so I cannot help with the first part. Positive correlation indicates that both variables increase and decrease together. A negative correlation indicates one variable increases while the other increases. Thus both the third and fourth choice are correct.
*Friday, August 20, 2010 at 4:17pm by PsyDAG*

**Statistics**

After making an investigation, during which the relationship between intelligence and academic achievement, calculated the correlation coefficient between the two variables, which was found to be 0.29. The researchers concluded that there is no correlation between the two ...
*Friday, August 30, 2013 at 7:19am by Susie*

**Statistics - Correlation Coefficient/Regression**

y = -15.4 + 14.4x the correlation coefficient is correct because it is geomatric mean of two regression coefficient the second regression coefficient is 0.066428.
*Saturday, June 21, 2008 at 8:35pm by saqib*

**statistics**

Here's a hint to help you choose an answer. You can probably assume there is a strong correlation between number of man hours worked and number of units of work completed. The longer one works, the more work gets done (hopefully!). Now all you have to determine is whether the ...
*Tuesday, August 2, 2011 at 2:59pm by MathGuru*

**Statistics in Psychology**

A researcher finds that the correlation between variable A and variable B is r= 5 1.20. She also finds that the correlation between variable C and variable B is r= 5 2.40. Which relationship is scientifically more useful and by how much?
*Monday, February 10, 2014 at 1:18pm by Annie*

**math**

Construct a scatter plot for the given data. Determine whether there is a positive linear correlation, negative linear correlation, or no linear correlation.
*Sunday, December 6, 2009 at 12:18pm by jen*

**statistics**

y(predicted) = -34.92903226(X) + 86023.07742, where X = Year (1978, 1979, etc.) The scatter plot slopes downward. Correlation = - 0.633023997, which is consistent with a downward sloping plot. Also, the correlation is fairly strong at -0.633 suggesting the trend in iron ...
*Tuesday, November 22, 2011 at 7:47pm by fixit*

**statistics**

For problems 12 to 14, do the following: (a) Make a scatter diagram of the scores; (b) describe in words the general pattern of correlation, if any; (c) figure the correlation coefficient; (d) figure whether the correlation is statistically significant (use the .05 ...
*Saturday, January 8, 2011 at 4:11pm by kamelia *

**statistics**

For problems 12 to 14, do the following: (a) Make a scatter diagram of the scores; (b) describe in words the general pattern of correlation, if any; (c) figure the correlation coefficient; (d) figure whether the correlation is statistically significant (use the .05 ...
*Saturday, January 8, 2011 at 4:11pm by kamelia *

**Math**

Jade counted the number of the students on each sports time at her school and the number of wins the team had last season. If she displays her data on a scatter plot, what type of relationship will she most likely see between the number of students on a team and the number of ...
*Tuesday, October 18, 2011 at 8:45pm by Please help*

**social studies**

Although the Chesapeake and New England colonies differed in many ways, relations with Native Americans followed a similar course in both regions. Why? What were the biggest factors in relations between the two sides? Did relations change over time and why?
*Saturday, September 10, 2011 at 7:55pm by Tim*

**statistics**

Do you think there is a correlation between CEO salaries and the degree of success of a company? If you were to take a sample of companies with comparable size, market capitalization, and product category, and plot CEO salaries against the net profit of their respective ...
*Saturday, December 17, 2011 at 6:45pm by Mark*

**statistics**

The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Calculate the correlation coefficient r.
*Wednesday, September 28, 2011 at 6:05pm by milly*

**statistics**

A professor is interested in knowing the correlation, if any, of students’ scores on the first and second exams given in his class. Test 1 Test 2 92 86 90 87 89 85 82 90 88 79 92 90 100 92 91 84 Is there a significant correlation? Explain its statistical significance, if any.
*Sunday, February 12, 2012 at 8:09pm by John*

**STATISTICS**

A) If a regression experiment has correlation coefficient r= 0.75, what precent of total variation is explained by the regression? B) if 85% of total variation is explained by the regression, and there is an inverse relationship between y and x, then what is the correlation ...
*Sunday, April 17, 2011 at 6:12pm by SROBSON*

**Math Statistics**

Correlation varies ± 1.
*Thursday, May 19, 2011 at 4:53pm by PsyDAG*

**statistics**

has a negative linear correlation
*Thursday, August 19, 2010 at 6:40pm by alissa*

**PSY 369**

positive http://www.emathzone.com/tutorials/basic-statistics/positive-and-negative-correlation.html
*Saturday, June 15, 2013 at 2:12am by Ms. Sue*

**statistics**

Research reports a correlation of +0.8 between math achievement and math aptitude it also reports a correlation of -0.8 between math achievement and a math anxiety. Which interpretations is most c?orrect
*Wednesday, September 5, 2012 at 1:28am by Gee*

**Statistics**

Calculate according Permutation and Correlation: 8 8 7 6 8 7 6 5 P P P P C C C C 3 4 6 1 3 5 2 0
*Saturday, April 9, 2011 at 4:44pm by Pavlos Cs*

**statistics**

What does it mean when we say, "Correlation is not a causality?"
*Sunday, August 9, 2009 at 12:37am by Bulldog*

**Statistics**

The value of the correlation coefficient can be between 0 and 1.
*Tuesday, May 17, 2011 at 11:20pm by Matt*

**statistics**

The value of the correlation coeficient can be between 0 and 1.
*Thursday, May 19, 2011 at 11:24am by jessica*

**statistics**

No, the value of a correlation coefficient can be between 0 and ± 1.
*Thursday, May 19, 2011 at 11:24am by PsyDAG*

**statistics**

Have tried a correlation coefficient?
*Thursday, May 10, 2012 at 9:27pm by PsyDAG*

**STATISTICS**

Correlation does not necessarily indicate causation.
*Friday, September 6, 2013 at 6:19am by PsyDAG*

**Statistics**

In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their current stress level on a scale of 1 to 10. The table shows the survey results. Using a web-calculator, obtain the appropriate correlation coefficients. Number of...
*Saturday, February 5, 2011 at 4:48pm by SHelia*

**Statistics**

From my calculations: r = 0.923 Strong positive correlation.
*Monday, June 14, 2010 at 3:22pm by MathGuru*

**statistics**

if the correlation coefficient is 0.790, what is the explained variation
*Saturday, July 24, 2010 at 5:13pm by Anonymous*

**statistics**

Select the best interpretation of the correlation coefficient r = 0.
*Thursday, May 19, 2011 at 11:10pm by Eric *

**statistics**

Determine and interpret Pearson’s correlation coefficient.
*Friday, March 22, 2013 at 7:59am by sello*

**STATISTICS**

Whichever correlation is closest to ±1 is right. That is choice D.
*Friday, August 30, 2013 at 7:19am by PsyDAG*

**Statistics**

The last one is false right? there is a correlation (weak).
*Friday, August 30, 2013 at 7:19am by Susie*

**psy statistics**

Why is a correlation the most appropriate statistic?
*Tuesday, April 24, 2012 at 10:23pm by Anonymous*

**Statistics**

Using a statistics calculator, I found correlation coefficient r = 0.972; therefore, the coefficient of determination would be r^2 (note: ^2 means squared). Your rounded answer of 0.945 would then be correct.
*Monday, June 14, 2010 at 9:30pm by MathGuru*

**Math**

Positive correlation means both variables increase/decrease together. Negative correlation means one variable increases while the other decreases. What is the consistent difference between the y values to determine the missing value? How good is the predictability of y from x...
*Thursday, November 10, 2011 at 7:40pm by PsyDAG*

**statistics**

find the value for the correlation coefficient r. x 5 1 4 2 3 y 5 10 12 4 8
*Wednesday, April 29, 2009 at 10:43am by yorkie16*

**Statistics**

Select the best interpretation of the correlation coefficient r = -.87
*Saturday, May 21, 2011 at 12:11am by Scott*

**Statistics**

The value of the correlation coefficient can be between 0 and 1.True or false?
*Wednesday, November 7, 2012 at 9:20pm by jassi*

**statistics/psych**

Find TWO media examples of two types of correlations (explained below). You will have to do some research to find these. Next: (1) Find one media example (don�t make up your own) of a correlation that could be argued to be spurious (third variable). Explain your media ...
*Wednesday, November 16, 2011 at 6:36pm by ashley*

**statistics**

calculate both the pearson and spearman correlation coefficient for the data below. state whether ther are significant? writ a brief statement to explain the results generated by each correlation. self-esteem 10.00, 9.00,8.00,7.00,7.00,6.00,6.00,6.00,4.0,4.00. grades 83.00,97....
*Sunday, April 24, 2011 at 7:03pm by ryee*

**Statistics**

The larger the value of the slope, the steeper it is. The correlation will also be large as well.
*Thursday, April 15, 2010 at 7:47pm by MathGuru*

**Math Statistics**

True or false? The value of the correlation coefficient can be between 0 and 1.
*Thursday, May 19, 2011 at 4:53pm by Bill*

**statistics**

This means a strong positive correlation between the two scores.
*Monday, July 25, 2011 at 5:31pm by MatGuru*

**Statistics**

Calculate the Pearson product-moment correlation for the data below. X 3 4 2 1 Y 5 5 3 4
*Tuesday, August 28, 2012 at 6:12pm by StudentD*

**statistics**

A correlation of 0 always means there is no relationship between x and y true or false?
*Tuesday, September 18, 2012 at 11:21pm by Gee*

**statistics**

If you have the data, you would probably use a correlation coefficient.
*Sunday, May 5, 2013 at 7:35pm by PsyDAG*

**statistic**

Explain the concept of correlation and how to interpret correlation coefficients of 0.3,0, and -0.95
*Sunday, August 7, 2011 at 9:57am by Toha*

**math**

Not sure what your are asking, but I will give an answer. 1. positive correlation 2. negative correlation
*Wednesday, February 6, 2013 at 5:40am by PsyDAG*

**Statsistics**

Here is a hint: It doesn't matter if the correlation is negative or positive, the closer it is to zero, the weaker the correlation.
*Wednesday, April 9, 2014 at 12:53pm by MathGuru*

**Statistics**

Yes, predictions can be made from correlations. For example, one can find predicted values via this formula using correlation: predicted y = (rSy/Sx)X - (rSy/Sx)xbar + ybar ...where r = correlation, Sy = sd of y, Sx = sd of x, and X is the variable. Also: xbar = mean of x; ...
*Monday, November 30, 2009 at 7:41pm by MathGuru*

**Statistics in Psychology**

A correlation coefficient cannot exceed ± 1. From your data, neither would be useful.
*Monday, February 10, 2014 at 1:18pm by PsyDAG*

**statistics**

Do a correlation. http://www.google.com/search?client=safari&rls=en&q=correlation&ie=UTF-8&oe=UTF-8
*Wednesday, September 7, 2011 at 10:39am by PsyDAG*

**stats**

For positive correlation both variables increase/decrease together. For negative correlation, one variable increases, while the other decreases. If there is a correlation significantly greater than chance, either one variable causes the other or a third variable might be ...
*Sunday, April 28, 2013 at 1:43pm by PsyDAG*

**social psy**

) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...
*Monday, October 3, 2011 at 2:23pm by deb*

**Math-Statistics**

draw scatterplots one for which the pearson correlation coefficient is r=-1 and r=1 Stuck on how to get started
*Sunday, October 3, 2010 at 3:42am by noell*

**Statistics**

If the correlation coefficient is 0.790, what is the explained variation? A. 37.6% B. 62.4% C. 79% D. 21%
*Sunday, December 11, 2011 at 10:47pm by Ashleigh*

**Public Relation**

Why is Public Relations Important? At its core, public relations revolves around this universal truth: people act based upon their perception of facts. By managing, controlling, or influencing people's perceptions, public relations professionals hope to initiate a sequence of ...
*Friday, October 26, 2012 at 6:31am by Allyson*

**Statistics**

13.19 (a) Generate a correlation matrix for your predictors. Round the results to three decimal places. (b) Based on the correlation matrix, is collinearity a problem? What rules of thumb (if any) are you using? Correlation Matrix F O E A F Floor 1.000 Offices .823 1.000 ...
*Monday, October 4, 2010 at 7:42pm by Pat*

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