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It has been suggusted that the highest priority of retirees is travel. Thus, a study was conducted to investigate the differences in the length of stay of a trip for pre- and post-retirees. A sample of 691 travelers were asked how long they stayed on a typical trip. The observed results of the study are found below. Number of Nights Pre-retirement Post-retirement 4-7 236 166 76 68 33 57 16 39 361 330 8- 13 14 - 21 22 or more Total With this information, construct a table of estimated expected values. Number of Nights Pre-retirement Post-retirement 4-7 8-13 14 - 21 22 or more Total 402 144 90 55 691 Now, with that information, determine whether the length of stay is independent of retirement using a = 0.01. (a) x² = (b) Find the degrees of freedom: (c) Find the critical value:

It has been suggusted that the highest priority of retirees is travel. Thus, a study was conducted to investigate the differences in the length of stay of a trip for pre- and post-retirees. A sample of 691 travelers were asked how long they stayed on a typical trip. The observed results of the study are found below. Number of Nights Pre-retirement Post-retirement 4-7 236 166 76 68 33 57 16 39 361 330 8- 13 14 - 21 22 or more Total With this information, construct a table of estimated expected values. Number of Nights Pre-retirement Post-retirement 4-7 8-13 14 - 21 22 or more Total 402 144 90 55 691 Now, with that information, determine whether the length of stay is independent of retirement using a = 0.01. (a) x² = (b) Find the degrees of freedom: (c) Find the critical value:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4AGP
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It has been suggusted that the highest priority of retirees is travel. Thus, a study was conducted to investigate the differences in the length of stay of a trip for pre- and post-retirees. A sample of 691 travelers were asked how long they stayed on a typical trip. The observed results of the study are found below. Number of Nights Pre-retirement Post-retirement 4-7 236 166 76 68 33 57 16 39 361 330 8- 13 14 - 21 22 or more Total With this information, construct a table of estimated expected values. Number of Nights Pre-retirement Post-retirement 4-7 8-13 14 - 21 22 or more Total 402 144 90 55 691 Now, with that information, determine whether the length of stay is independent of retirement using a = 0.01. (a) x² = (b) Find the degrees of freedom: (c) Find the critical value:
Transcribed Image Text:It has been suggusted that the highest priority of retirees is travel. Thus, a study was conducted to investigate the differences in the length of stay of a trip for pre- and post-retirees. A sample of 691 travelers were asked how long they stayed on a typical trip. The observed results of the study are found below. Number of Nights Pre-retirement Post-retirement 4-7 236 166 76 68 33 57 16 39 361 330 8- 13 14 - 21 22 or more Total With this information, construct a table of estimated expected values. Number of Nights Pre-retirement Post-retirement 4-7 8-13 14 - 21 22 or more Total 402 144 90 55 691 Now, with that information, determine whether the length of stay is independent of retirement using a = 0.01. (a) x² = (b) Find the degrees of freedom: (c) Find the critical value:
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