a researcher hypothesizes that individuals who listen to classical music will scored differently from the general population on a test of spatial ability. On a standardized test of spatial ability, u= 58. A random sample of 14 individuals who listen to classical music is given the same test. Their scores 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 H0 and Ha?

c. Compute t ob.

d.. What ist cv?

d. Should Ho be rejected? what should the researcher conclude?

f. Determine the 95% confidence interval for the population mean, based on the sample mean.

e.