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Do not reject Ho. There is insufficient evidence of a difference in the variability of the waiting time between the two banks. b. Determine the p-value in (a) and interpret its meaning. The p-value in part (a) is. (Round to three decimal places as needed.)

Do not reject Ho. There is insufficient evidence of a difference in the variability of the waiting time between the two banks. b. Determine the p-value in (a) and interpret its meaning. The p-value in part (a) is. (Round to three decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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Find the p-value in part a 

A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below. Use this data to complete parts (a) through (d). Bank A 6.11 3.11 4.43 4.29 5.51 5.99 8.06 6.66 5.73 6.01 0.38 5.03 6.51 3.03 5.11 4.77 2.34 5.69 8.64 3.98 6.14 9.83 Bank B 3.58 3.74 9.68 10.56 a. Is there evidence of a difference in the variability of the waiting time between the two banks? (Use α=0.01.) Determine the hypotheses. Choose the correct answer below. A. H₂:0²=0²₂ H₂₁:0² +0²2 2 OC. Ho: 0²1 20²2 H₁:0² <0²/2 Compute the FSTAT test statistic. FSTAT = 1.65 (Round to two decimal places as needed.) Determine the critical value. 3.83 8.18 8.29 5.56 Fα/2 = 4.30 (Round to two decimal places as needed.) Reach a decision. Do not reject Ho. There is insufficient evidence of a difference in the variability of the waiting time between the two banks. b. Determine the p-value in (a) and interpret its meaning. The p-value in part (a) is (Round to three decimal places as needed.) C 50 OB. Ho: oso H₁:0² > 0²/ 2 OD. Ho: 002 2 2 H₁: 0²₁ = 0₂
Transcribed Image Text:A random sample of 15 customers in two different banks were selected and their wait times (in minutes) are given below. Use this data to complete parts (a) through (d). Bank A 6.11 3.11 4.43 4.29 5.51 5.99 8.06 6.66 5.73 6.01 0.38 5.03 6.51 3.03 5.11 4.77 2.34 5.69 8.64 3.98 6.14 9.83 Bank B 3.58 3.74 9.68 10.56 a. Is there evidence of a difference in the variability of the waiting time between the two banks? (Use α=0.01.) Determine the hypotheses. Choose the correct answer below. A. H₂:0²=0²₂ H₂₁:0² +0²2 2 OC. Ho: 0²1 20²2 H₁:0² <0²/2 Compute the FSTAT test statistic. FSTAT = 1.65 (Round to two decimal places as needed.) Determine the critical value. 3.83 8.18 8.29 5.56 Fα/2 = 4.30 (Round to two decimal places as needed.) Reach a decision. Do not reject Ho. There is insufficient evidence of a difference in the variability of the waiting time between the two banks. b. Determine the p-value in (a) and interpret its meaning. The p-value in part (a) is (Round to three decimal places as needed.) C 50 OB. Ho: oso H₁:0² > 0²/ 2 OD. Ho: 002 2 2 H₁: 0²₁ = 0₂
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