The problems here are from the exercises in Chapter 9 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 14 0 779.000
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Mean Median Midpoint Geometric Harmonic
55.643 51.500 56.000 54.107 52.618
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SD Quart Dev Range SE mean
13.625 12.000 40.000 3.641
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Minimum Quartile 1 Quartile 2 Quartile 3 Maximum
36.000 46.000 51.500 70.000 76.000
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Skew Kurtosis
0.227 1.425
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Null Mean t prob (t) F prob (F)
0.000 15.281 0.000 233.504 0.000
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Histogram:
Midpt Freq
39.500 3 ***
46.500 3 ***
53.500 2 **
60.500 1 *
67.500 3 ***
74.500 2 **