# Prob and Stats Quiz

**Question description**

The following data represent glucose blood levels(mg/100 ml) after a 12 hour fast for a random sample of 70 women. Use six classes and determine the class width. (Enter the number only. Do not include any other text.)

45, 66, 83, 71, 76, 64, 59, 59

76, 82, 80, 81, 85, 77, 82, 90

87, 72, 79, 69, 83, 71, 87, 69

81, 76, 96, 83, 67, 94, 101, 94

89, 94, 73, 99, 93, 85, 83, 80

78, 80, 85, 83, 84, 74, 81, 70

65, 89, 70, 80, 84, 77, 65, 46

80, 70, 75, 45, 101, 71, 109, 73

73, 80, 72, 81, 63, 74

Using the data from number 1, Construct a frequency distribution (on your own paper) and then describe the basic shape of the distribution.

(skewed left, skewed right, symmetric, bi-modal, rectangular)

The following data represent the length (in months) of time it takes for a tumor to reoccur after chemotherapy. Use five classes to determine the class width.

19, 18, 17,, 21, 22, 54, 46, 25, 49

50,1, 59, 39, 43, 39, 5, 9, 38, 18

14, 45, 54, 59, 46, 50, 29, 12, 19, 36

38, 40, 43, 41, 10, 50, 41, 25, 19, 39

27, 20

Using the data from number 3 above, construct a frequency distribution on your own paper, and then determine the basic shape of the distribution.

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