A report from the office of the superintendent claims that the
average reading test score of 4th grade students in the school
district is 76. A group of parents suspects that the real mean is
lower than this reported score so they draw a random sample
consisting of 37 4th grade student reading scores. they find that
the sample mean is 74 and the sample standard deviation is 4.5.
Find the P-value for the test and state your conclusion at the
significance level of 0.05
P-value: 0.5; Decision: Reject Ho |
P-value: 0.0035; Decision: Fail to reject Ho |
P-value: 0.95; Decision: Fail to reject Ho |
P-value: 0.95; Decision: Reject Ho |
P-value: 0.0035; Decision: Reject Ho |