Answer to Question #158189 in Statistics and Probability for Shahroz

Question

 Following is the data related to the daily production of the two factories of same product located in two different states.

Factory

Daily Production

Factory 1

66

66

73

83

74

73

73

69

82

71

73

66

67

80

79

78

 

 

 

 

 

Factory 2

66

63

71

65

65

67

57

48

71

73

68

58

62

81

60

62

72

72

57

77

68

Calculate the following [2]

Daily Production of Factory 1

Daily Production of Factory 1

Sample Size

Degree of freedom

Mean

Variance

Standard Deviation

1)Calculate the ratio of two variances and test the equality of the variances and comments.[1]

2)Calculate the value of pool standard deviation (S_p), degree of freedom in the light of part “b” and SED   [1]

3)Write the null and alternative hypothesis for comparing the production of two factories. [1]

4)Calculate the critical values “t_tab”, and t_cal   [1]

5)Write the conclusion for the null hypothesis of part “d”  

Answer 1

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