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Data represent the number of appointments

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The following data represent the number of appointments made per 15-minute interval by telephone solicitation for a lawn-care company. Assume these are population data.

Number of Appointments    Frequency of Occurrence

0-under 1                                        31

1-under 2                                        57

2-under 3                                        26

3-under 4                                        14

4-under 5                                         6

5-under 6                                         3

Calculate the median.  (Round your answer to 3 decimal places.)

Calculate the variance. (Round your answer to 4 decimal places.)

Calculate the standard deviation (Round your answer to 4 decimal places.)

Reference no: EM132117747

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