The performance of students at a local community was recorded and categorized based on student’s faculty. The gathered data was then analyzed by a statistician and the results obtained using MINITAB are shown below: (see table attached below) i. Define the null and alternative hypotheses of the χ 2 test for the above output.  ii. Find the missing values ‘*’, ‘**’, ‘***’, Showing nece

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The performance of students at a local community was recorded and categorized based on student’s
faculty. The gathered data was then analyzed by a statistician and the results obtained using
MINITAB are shown below: (see table attached below)

i. Define the null and alternative hypotheses of the χ
2 test for the above output. 
ii. Find the missing values ‘*’, ‘**’, ‘***’, Showing necessary working 
iii. What is the degree of freedom for this test? 

Expected counts are printed below observed counts
High
Low
Average
Total
Science
12
30
52
94
(15.67)
(29.24)
(49.09)
Humanities
14
20
30
**
(10.67)
(19.91)
(33.42)
Law
4
6
12
22
(*)
(6.84)
(11.49)
Total
30
56
94
180
Chi-sq =
0.858 + 0.020 + *** +
1.042
0.000 + 0.350 +
0.030 + 0.104 + 0.023
=2.600
Transcribed Image Text:Expected counts are printed below observed counts High Low Average Total Science 12 30 52 94 (15.67) (29.24) (49.09) Humanities 14 20 30 ** (10.67) (19.91) (33.42) Law 4 6 12 22 (*) (6.84) (11.49) Total 30 56 94 180 Chi-sq = 0.858 + 0.020 + *** + 1.042 0.000 + 0.350 + 0.030 + 0.104 + 0.023 =2.600
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