Assign 8 5 PLEASE SHOW ALL WORK In planning a study of the a

Assign. 8 #5 PLEASE SHOW ALL WORK

In planning a study of the annual consumption of carbonated soft drinks by high school students, a researcher states the hypotheses as What\'s wrong with this? Hypotheses are statements to test reasonable assumptions. The 60 gallons per year is too high so the alternative hypothesis should state x

Solution

OPTION D explains it well:

Hypotheses are statements about parameters, not statistics. The research question is not about the sample mean, xbar, but should be about the population mean, u.

Thus, it should have been

Ho: u = 60
Ha: u > 60

instead of xbar. [OPTION D, ANSWER]