1 answer

Please check my work on this problem. Do not ONLY GIVE THE CORRECT ANSWER! PLEASE SHOW...

Question:

Please check my work on this problem. Do not ONLY GIVE THE CORRECT ANSWER! PLEASE SHOW THE STEPS AND ANY MISTAKES I HAVE MADE! THANK YOU!!!!

.Calculate confidence intervals for ratio of two population variances and ratio of standard deviations. Assume that samples a

.Calculate confidence intervals for ratio of two population variances and ratio of standard deviations. Assume that samples are simple random samples and taken from normal populations. a. a = 0.05, n1 = 30, S1 = 16.37, n2 = 39, S2 = 9.88 Critical values. F1 = 1.972339, Fu = 0.4906737 ** F1-ſa/2n4-1.02-1.), ** F(a/2)n,-1,-1)) _ (16.372 = (49882 * F(0.975,9,9), 09.882 * F(0.025,9,9)) = (2.75 * 1.9723,2.75 * 0.4907) = (5.4238, 1.3494)/ 16.372

Answers

#confidance interval for natio • of variantes: . In general 100 (1-dj0% Confidancel interval is, Fra 212 2/2 Givena 2=0.05 P₂

Ratio for standard deviation falles in interval [1.9798 to 2.3655]

.

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