The number of families who used the minneapolis ywca day care service was recorded over a 30-day period. the results are as follows:

Complete Question:

The number of families who used the Minneapolis YWCA day care service was recorded over a 30-day period. The results are as follows:

62516043585653355555

3553653562255263224

53171158545420563957

Construct a cumulative frequency distribution of this data.

The Cumulative Frequency Distribution of the number of families who used the Minneapolis YWCA Daycare Service:

Class          Frequency        Cumulative Frequency

0 up to 15                2                              2

16 up to 30              5                              7

31 up to 45              6                             13

46 up to 60            15                            28

61 up to 75              2                          30

Explanation:

The cumulative frequency table produced above can be used to determine the value of the usage of the YWCA Daycare Service by the different Minneapolis families over a period of time.

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.