A researcher hypothesizes that individuals wholisten to classical music will score differentlyfrom the general population on a test of spatialability. On a standardized test of spatial ability,m 5 58. A random sample of 14 individuals wholisten to classical music is given the same test.Their scores on the test are 52, 59, 63, 65, 58, 55,62, 63, 53, 59, 57, 61, 60, 59.

a. Is this a one- or two-tailed test?

b. What are H0 and Ha for this study?

c. Compute t obt .

d. What is t cv ?

e. Should H0 be rejected? What should theresearcher conclude?

f. Determine the 95% confidence intervalfor the population mean, based on the sample means.