Responsibility and authority are generally clearly defined in an informal buying organization

An alternative hypothesis can have the signs >, <, or ?

a. True b. False Indicate whether the statement is true or false

The number of degrees of freedom associated with the chi-square distribution in a test of independence is

a. number of sample items minus 1. b. number of populations minus 1. c. number of rows minus 1 times number of columns minus 1. d. number of populations minus number of estimated parameters minus 1.