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STAT200 WEEK 8 HOMEWORK A+
$ 15.00

Lane Chap. 15

10. If an experiment is conducted with 5 conditions and 6 subjects in each condition, what are dfn and dfe?

DFn = (5*6) - 1 = 29

DFe = 29 – (5*1) = 29 – 5 = 24

 

 

17. The following data are from a hypothetical study on the effects of age and time on scores on a test of reading comprehension. Compute the analysis of variance summary table.

 

12-year olds

16-year olds

30 minutes

66

68

59

72

46

74

71

67

82

76

60 minutes

69

61

69

73

61

95

92

95

98

94

 

Hoa: there is no significant difference in the rows.

H1a: there is significant difference in the rows.

Hob: there is no significant difference in the columns.

H1b: there is significant difference in the columns.

The analysis of variance summary table is shown below.

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