chologist obtains a random sample of 20 mothers in the first

Last updated: 7/11/2023

chologist obtains a random sample of 20 mothers in the first trimester of their p mothers are asked to play Mozart in the house at least 30 minutes each day unt After 5 years the child is administered an IQ test It is known that IQs are norm buted with a mean of 100 If the IQs of the 20 children in the study result in a sa and sample standard deviation of 15 7 is there evidence that the children have the a 0 05 level of significance type of hypothesis test is appropriate to conduct for this research Hypothesis test on a population standard deviation Hypothesis test on a population proportion Hypothesis test on a population mean