The problems here are from the exercises in Chapters 14 and 15 of AI: A Modern Approach.
You should feel free to make appropriate assumptions. However you should state explicitly any assumptions that you make.
Please do the following exercises:
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Under Range In Range Over Range Sum
0 12 0 928.000
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Mean Median Midpoint Geometric Harmonic
77.333 81.500 69.500 74.552 71.399
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SD Quart Dev Range SE mean
19.983 16.500 55.000 5.769
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Minimum Quartile 1 Quartile 2 Quartile 3 Maximum
42.000 61.500 81.500 94.500 97.000
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Skew Kurtosis
-0.589 1.679
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Null Mean t prob (t) F prob (F)
0.000 13.406 0.000 179.713 0.000
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Histogram:
Midpt Freq
47.500 3 ***
58.500 0
69.500 1 *
80.500 3 ***
91.500 5 *****