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a) Carefully define the null and alternative hypotheses of the x2 test of the above table. b) Find the missing values *, **', ***** ??, ??? c) What is the conclusion of this test? Give reasons for your answer.

a) Carefully define the null and alternative hypotheses of the x2 test of the above table. b) Find the missing values *, **', ***** ??, ??? c) What is the conclusion of this test? Give reasons for your answer.

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 10CYU
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Question 3 Workers at a private business was given a grade (A, B, C) based on their yearly performance. The data was recorded along with the department they belong. The results obtained using MINITAB are shown below: Expected counts are printed below observed counts Total 12 8 7 Accounting (12.960) (7.830) (6.210) 大 17 10 8. Sales (16.800) (10.150) (8.050) 35 19 11 8. Marketing (18.240) (**) (8.740) 38 Total 48 29 23 100 Chi-sq = 0.0711 + 0.0037 + 0.1005 + 0.0024 + 0.0022 + 0.0003 + 0.0317 + 0.0000 + *** =0.2746 DF = ??, p-value ???
Transcribed Image Text:Question 3 Workers at a private business was given a grade (A, B, C) based on their yearly performance. The data was recorded along with the department they belong. The results obtained using MINITAB are shown below: Expected counts are printed below observed counts Total 12 8 7 Accounting (12.960) (7.830) (6.210) 大 17 10 8. Sales (16.800) (10.150) (8.050) 35 19 11 8. Marketing (18.240) (**) (8.740) 38 Total 48 29 23 100 Chi-sq = 0.0711 + 0.0037 + 0.1005 + 0.0024 + 0.0022 + 0.0003 + 0.0317 + 0.0000 + *** =0.2746 DF = ??, p-value ???
Carefully define the null and alternative hypotheses of theX2 test of the above table. b) Find the missing values *, ***', ***** ??, ??? c) What is the conclusion of this test? Give reasons for answer. your
Transcribed Image Text:Carefully define the null and alternative hypotheses of theX2 test of the above table. b) Find the missing values *, ***', ***** ??, ??? c) What is the conclusion of this test? Give reasons for answer. your
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