Drug content assessment: | Numerical analysis homework help

Drug content assessment:
Drug concentrations (measured as a percentage) for 50 randomly selected tablets are repeated in the accompanying table. The standard method of assessing drug content yields a concentrate variance of 9. Can the scientists at GlaxoSmithKline conclude that the new method of determining drug concentration is less variable than the standard method?
Test using α = 0.01

 

91.28

89.35

82.85

89.93

84.62

93.44

83.77

81.79

89

92.1

86.96

91.17

89.74

92.59

89.36

92.83

91.9

94.83

84.21

87.61

90.96

89.39

89.91

88.67

86.51

88.32

83.86

92.24

89.35

92.78

89.04

93.02

88.76

90.36

91.74

92.85

89.82

92.16

87.16

86.77

86.12

83.33

88.2

86.35

91.2

91.82

88.32

89.26

93.84

93.19

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