An auto manufacturer claims that the variance of the gas mileages in a certain vehicle model is 1.3.A random sample of 23 vehicles has a variance of 1.65.At 0.05

(a)Write the null hypothesis and alternative hypotheses mathematically and state which one is the claim.

H₀: ____________H_a: ____________Claim: ___________________

(b) What is the critical value?

(c)What is the test statistic?

(d)Circle the correct conclusion:Reject H₀Fail to reject H₀

(e)Choose the correct interpretation.

There is sufficient / insufficient evidence to reject / supportthe claim.