(a) Write the claim mathematically and identify Ho and Ha

(b) Find the critical value(s) and identify the rejection region(s).

(c) Find the standardized test statistic chi squared. Compute the standardized test statistic using the formula.

\fA snack food manufacturer estimates that the variance of the number of grams of carbohydrates in servings of its tortilla chips is 1.21. A dietician is asked to test this claim and finds that a random sample of 19 servings has a variance of 1.32. At 1.21 Ha : 0- #1.21 O C. H: 0- # 1.21 OD. H: 5- 21.21 H_: 04 =1.21 (Claim) He: 02