Question

Complete the problem below on conducting one sample t-test using the steps in hypothesis testing.

1. A researcher in interested in whether students who are musicians have higher intelligence test scores than students in the general population. The mean for the general population is 100. The researcher selects 30 musicians from local high schools and gives them an intelligence test, with a mean of 105. SS = 725 for the sample.

m = _______

M = _________

n = _______

s2 = _______

sM = ______

Null Hypothesis (H₀): µ <=

State in words:

Alternative Hypothesis (H_a): µ >

State in words:

One-tailed or two-tailed test?                         df=                   t critical value (with  = .05):

Compute t obtained value:

Reject or fail to reject the null hypothesis?

Interpret result:

Answer 1