Question: Describing Data: Measures of Central Tendency
Number of Days from order date to arrival in El Paso.
5 10 12 15 20 3 4 5 1 12
9 19 20 24 16 21 20 15 13 9
5 1 2 3 17 21 14 8 6 21
3 6 7 15 19 5 7 9 22 23
12 11 10 14 16 13 14 10 7 4
Using the above data, calculate the following statistics using the frequency distribution table, not the raw data:
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Classes
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Frequency(f)
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midpoint(X)
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fX
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Cf
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a. The midpoint for each class (enter in table above):
b. Calculate the estimated arithmetic mean of the sample
c. Calculate the estimated arithmetic median of the sample
d. The estimated mode of the sample