Question: Identify the 1) null hypothesis (Ho), 2) the alternative hypothesis (H1), and 3) either identify the sampling distribution (normal, t, chi-square) of the test statistic, or state that the methods of Chapter 8 should not be used and why. No calculations are required.

Claim: heights of a new variety of corn vary less than those of an older variety. The standard deviation of heights for the population of the old corn variety is 3.5 inches and the population has a normal distribution. A simple random sample of new corn variety provides the following data: n = 36, s= 1.2.