A cellular phone service provider believes that there is negative correlation between the minutes used by its customers and the age of the customer.
To test this, the following would be the appropriate null and alternative hypotheses:
H0 : = 0.0
Ha : 0.0
Indicate whether the statement is true or false
Q. 2Contingency analysis helps to make decisions when multiple proportions are involved.
Indicate whether the statement is true or false
Q. 3Residuals are calculated by e = y - .
Indicate whether the statement is true or false
Q. 4The sampling distribution for a goodness-of-fit test is the Poisson distribution.
Indicate whether the statement is true or false
Q. 5In a multiple regression model, each regression slope coefficient measures the average change in the dependent variable for a one-unit change in the independent variable, all other variables held constant.
Indicate whether the statement is true or false
Q. 6A correlation coefficient computed from a sample of data values selected from a population is called a statistic and is subject to sampling error.
Indicate whether the statement is true or false
Quick Reply
