Cameron wondered if the average score on a final exam was different between those who texted on a regular basis during the lectures for a particular class and those that did not text at all during the lectures. which of the following statements is correct?
a. a one-tailed test should be performed since the alternative hypothesis states that the parameter is less than the hypothesized value.
b. a one-tailed test should be performed since the alternative hypothesis states that the parameter is not equal to the hypothesized value.
c. a two-tailed test should be performed since the alternative hypothesis states that the parameter s no e ua to he ypo es e alue.
d. a two-tailed test should be performed since the alternative hypothesis states that the parameter is less than the hypothesized value.
e. a two-tailed test should be performed since the null hypothesis states that the parameter is not equal to the hypothesized value.