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Compute the t obtained

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Dr. Heather predicts that yoga will effect attention as reflected on the ACME Attention Test. The population mean on the ACME Attention Tests is 73.8. After administering this test to a sample who had just completed a 30 minute yoga session, the researcher obtains the following scores:

76, 87, 73, 82, 87, 76, 98, 76, 95, 35, 78, 65

a. Compute the t obtained

b. with an a = .05, what is the tcrit

c. What should Dr. Heather conclude about the impact of yoga on attention?

d. Compute the confidence intervals for the u

Reference no: EM132155874

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