Purchase Solution

# MCQs: Correlation and Regression

Not what you're looking for?

Please see attached and calculate summary output to answer the following questions:
1/ If the correlation between 2 variables is -.77 which is true.
a/ There is a fairly strong negative linear relationship
b/ An increase in one variable will cause the other variable to decline by 77%

2/Calculate the correlation coefficient between rain on Friday and rain on Saturday variables. which statement is true?
a/ Chance of rain on Saturday is 80%
b/ Correlation coefficient is 21%
c/ Correlation is not statistically significant at 5%level

3/ in order to develop a regression model to predict Saturday attendance
a/ It is impossible to distinguish dependent and independent variables
b/ Friday attendance is independent and Saturday is dependent
c/ Both Friday and Saturday are dependent variables
d/ Both Friday and Saturday attendance is independent variables.

4/ Which is the correct interpretation of the regression slope coefficient for Friday attendance
a/ When attendance increase by 100 average Saturday attendance increase151
b/ When Friday attendance increase by 100 average Saturday attendance increase12.39
c/ When Friday attendance increase by 100 average Saturday attendance increase1513
d/ When Friday attendance increase by 100 average Saturday attendance increase15.13
e/ When Friday attendance increase by 100 average Saturday attendance increase1.51

5/ Which of the following is true
a/ The effect of Friday attendance and Saturday rain variables are statistically significant at 5% level.
b/ All the independent variables are statistically significant at 5% level
c/ The effect of Friday attendance variables is statistically significant at 5% level
d/ None of the independent variables are statistically significant at 5% level
e/ The effect of Friday attendance and the interaction variables are statistically significant at 5% level.

6/ If Friday attendance is 18,394 and is expected to rain on Saturday, the predicted Saturday attendance is approx.
a/ 14700
b/ 40300
c/ 17900
d/ 29100
e/19700.

##### Solution Summary

The solution provides answers to multiple choice questions on correlation and regression. Relevant excel workings are also included.

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.