When stating null and alternative hypotheses, the hypotheses are:

Always about the statistic only.

Sometimes about the statistic and sometimes about the parameter.

Always about both the statistic and the parameter.

Always about the parameter only.

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

The sum of two numbers is 12 and their difference is 18 what are the two numbers

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.