A researcher wants to test if elementary school children spend less than 30 minutes per day on homework.The null hypothesis for this example will be that the population mean is:
A)greater than or equal to 30 minutes
B)not equal to 30 minutes
C)less than or equal to 30 minutes
D)less than 30 minutes

Question

Quizplus · Accepted Answer

The null hypothesis is typically a statement of no effect or no difference. In this case, it would be that the population mean is greater than or equal to 30 minutes, as the researcher is testing if the mean is less than 30 minutes.

A Researcher Wants to Test If Elementary School Children Spend