in a previous study conducted several years ago a man owned on average 14 dress shirts. The standard deviation of the population is 2. a researcher wishes to see if that average has changed he selected a random sample of 42 men and found that the average number of dress shirts that they owned was 13.2 a= 0.05 is there enough evidence to support the claim that the average has changed? ?

Dress Shirts In a previous study conducted several years ago, a man owned on average 14 dress shirts. The standard deviation of the population is 2. A researcher wishes to see if that average has changed. He selected a random sample of 42 men and found that the average number of dress shirts that they owned was 13.2. At a = 0.05, is there enough evidence to support the claim that the average has changed? Assume that the variable is normally distributed. Use the critical value method with tables. Part: 0 / 5 Part 1 of 5 State the hypotheses and identify the claim with the correct hypothesis. He : (Choose one) H 0>0 0