1. A therapist specializing in family counseling measures the relationship between partners and marital satisfaction. Husbands and wives rated how satisfied they were in their marriage using a 7-point rating scale ranging from 1 (not satisfied at all) to 7 (very satisfied). Using the hypothetical data given in the following table, compute the Pearson correlation coefficient. (Round your answer to three decimal places.)
Husband | Wife |
---|---|
X | Y |
1 | 6 |
2 | 6 |
3 | 6 |
4 | 6 |
5 | 6 |
6 | 6 |
7 | 6 |
2. An instructor measured quiz scores and the number of hours
studying among a sample of 20 college students. If SSXY
= 44, SSX = 98, MY = 6, and MX =
4, then what is the regression equation for this sample? (Round
your numerical values to three decimal places.)
= _______ X + _______
1. A therapist specializing in family counseling measures the relationship between partners and marital satisfaction. Husbands...
After you explain your work, please clearly identify the answer. Thanks. A psychologist wants to know whether wives and husbands who both serve in a foreign war have similar levels of satisfaction in their marriage. To test this, six married couples currently serving in a foreign war were asked how satisfied they are with their spouse on a 7-point scale ranging from 1 not satisied at a?to 7 very satis ied The following are the responses from husband and wife...
Time Remaining 54:35 S tempt 1 of 1 A psychologist specializing in marriage counseling claims that, among all married couples, the proportion p for whom her communication program can prevent divorce is at least 77%. In a random sample of 225 married couples who completed her program, 166 of them stayed together. Based on this sample, can we reject the psychologist's daim at the 0.01 level of significance? Perform a one-tailed test. Then fill in the table below F Calculator...
A researcher measures the relationship between Internet use (hours per week) and social interaction (hours per week) in a sample of 10 students. The following table lists the hypothetical results of this study. Internet Use Social Interaction X Y 6 3 8 6 6 6 7 6 13 4 5 6 4 2 7 4 1 10 11 4 (a) Compute the Pearson correlation coefficient. (Round your answer to three decimal places.) (b) Compute the coefficient of determination. (Round your...
A researcher measures the relationship between Internet use (hours per week) and social interaction (hours per week) in a sample of 10 students. The following table lists the hypothetical results of this study. Social Interaction Internet Use Y X 4 8 7 4 6 7 12 7 3 6 1 11 10 2 (a) Compute the Pearson correlation coefficient. (Round your answer to three decimal places.) (b) Compute the coefficient determination. (Round your answer to three decimal places.) (c) Using...
A researcher measures the relationship between Internet use (hours per week) and social interaction (hours per week) in a sample of 10 students. The following table lists the hypothetical results of this study 2 4 7 5 7 6 12 4 4 6 4 3 5 5 2 10 3 (a) Compute the Pearson correlation coefficient. (Round your answer to three decimal places.) (b) Compute the coefficient of determination. (Round your answer to three decimal places) (c) Using a two-tailed...
PLEASE PLEASE PLEASE ANSWER ALL BEFORE SUBMITTING. THANK YOU. "___" = answers needed. I have had someone be able to answer all questions before. 6. A statistics individual wants to assess whether her remedial job has been effective for her five students. She decides to conduct a related samples t-test and records the following grades for students prior to and after receiving her job. Tutoring Before After 2.6 3.2 2.7 3.1 3.2 3.7 3.1 3.3 2.9 3.8 (A) Test whether...