Calculate the ratio of two variances and test the equality of the variances and comments. c. Calculate the value of pool standard deviation (Sp),
Q1. Following is the data related to the daily production of the two factories of same product located in two different states.
|
Factory |
Daily Production |
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|
Factory 1 |
66 |
66 |
73 |
83 |
74 |
73 |
73 |
69 |
82 |
71 |
73 |
66 |
67 |
80 |
79 |
78 |
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|
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Factory 2 |
66 |
63 |
71 |
65 |
65 |
67 |
57 |
48 |
71 |
73 |
68 |
58 |
62 |
81 |
60 |
62 |
72 |
72 |
57 |
77 |
68 |
a. Calculate the following
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Daily Production of Factory 1 |
Daily Production of Factory 1 |
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Sample Size |
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Degree of freedom |
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Mean |
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Variance |
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Standard Deviation |
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b. Calculate the ratio of two variances and test the equality of the variances and comments.
c. Calculate the value of pool standard deviation (Sp), degree of freedom in the light of part “b” and SED
d. Write the null and alternative hypothesis for comparing the production of two factories.
e. Calculate the critical values “ttab”, and tcal
f. Write the conclusion for the null hypothesis of part “d”
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