Estimate the standard deviation of the process, Applied Statistics

Estimate the standard deviation of the process:

Draw the X (bar) and R charts for the data given and give your comments about the process under study. Estimate the standard deviation of the process.

Sample No.

Individual Measurement

1.

72

70

-70

64

2.

70

68

67

65

3.

68

66

65

62

4.

69

70

67

68

5.

70

68

68

66

6.

68

67

70

69

7.

68

60

66

61

8.

72

71

66

67

9.

70

69

69

66

10.

66

68

67

66

11.

72

73

67

64

12.

72

68

67

65

13.

70

67

69

63

14.

70

64

68

72

15.

74

70

67

68

 

Ques: Differentiate between :

i)   Parameter and Statistics

ii)  Target Population and Sampled Population

iii)  Stratified Random Sampling and Cluster Sampling

iv)  Multistage Sampling and Multiphase Sampling

v)  Sampling errors and Non-Sampling Errors

Posted Date: 2/12/2013 1:01:30 AM | Location : United States







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