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Questions A) Is the data independent or dependent? Why? B) Use the data from the previous problem to calculate a confidence interval for the difference

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A) Is the data independent or dependent? Why?

B) Use the data from the previous problem to calculate a confidence interval for the difference of means. Report the interval and explain whether it indicates there is (or is not) a difference in earning power between two groups.

Female salary

61600

64300

71900

68200

78600

81700

69200

64100

81100

77000

58800

87800

Male salary

81600

76300

60900

60200

59000

68600

51900

67600

78900

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