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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 depurtament they belong. The results obtained using MINITAB are shown below: Expected counta are printed below observed counts Total 12 Accounting (12.960) (7.830) (6.210) 17 10 Sales (16.800) (10.150) (8.050) 35 19 11 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 - 2?, p-value - 22? a) Carefully define the null and altermative hypotheses of the test of the above table. b) Find the missing values ,* *, * 7, ??? e) What is the conclusion of this test? Give reasons for your answer.

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 depurtament they belong. The results obtained using MINITAB are shown below: Expected counta are printed below observed counts Total 12 Accounting (12.960) (7.830) (6.210) 17 10 Sales (16.800) (10.150) (8.050) 35 19 11 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 - 2?, p-value - 22? a) Carefully define the null and altermative hypotheses of the test of the above table. b) Find the missing values ,* *, * 7, ??? e) What is the conclusion of this test? Give reasons for your answer.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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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 depurtment they belong. The results obtained using MINITAB are shown below: Expected counta are printed below observed counte Total 12 Accounting (12.960) (7.830) (6.210) 17 10 Sales (16.800) (10.150) (8.050) 35 19 11 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 - 2?, p-value - 2?? a) Carefully define the mall and altermative hypotheses of the g2 test of the above table. b) Find the missing values , **,* 1, T e) What is the conclusion of this test? Give reasons for your answer.
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 depurtment they belong. The results obtained using MINITAB are shown below: Expected counta are printed below observed counte Total 12 Accounting (12.960) (7.830) (6.210) 17 10 Sales (16.800) (10.150) (8.050) 35 19 11 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 - 2?, p-value - 2?? a) Carefully define the mall and altermative hypotheses of the g2 test of the above table. b) Find the missing values , **,* 1, T e) What is the conclusion of this test? Give reasons for your answer.
Expert Solution
Step 1

(a)

 

State the hypotheses.

Null hypothesis:

Statistics homework question answer, step 1, image 1

 

Step 2

(b)

 

Obtain the missing values for the given table.

 

The missing values for the given table is obtained below as follows:

 

From the information, given that

 

Statistics homework question answer, step 2, image 1

Statistics homework question answer, step 2, image 2

Therefore, the expected frequency for the variable Marketing and B is 11.020.

The chi square contribution for the cell Marketing and C is,

Statistics homework question answer, step 2, image 3

The chi square contribution for the cell Marketing and C is 0.0627

 

 

 

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