Confidence Interval for Estimating the Mean Weight Change Using the same paired sample data in Table…

Confidence Interval for Estimating the Mean Weight Change Using the same paired sample data in Table…

Confidence Interval for Estimating the Mean Weight Change Using the same paired sample data in Table 9-1, construct a 95% confidence interval estimate of μd .which is the mean of the “April–September” weight differences of college students in their freshman year.

Table 9-1 Weight (kg) Measurements of Students in Their Freshman Year

April weight

66

52

68

69

71

September weight

67

53

64

71

70

Difference d = (April weight) – (September weight)

-1

-1

4

-2

1

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