Check my work The number of families who used the Minneapolis YWCA day care service was recorded over a 30-day period. The results are as follows: 62 69 17 36 39 39 66 60 42 40 23 27 20 28 66 67 41 50 55 44 35 341 19 11 14 17 16 21 3 13 00 Click here for the Excel Data File Construct a cumulative frequency distribution of this data. (Round your calculated class interval up to the nearest multiple of 5.) Class Cumulative Frequency 0 up to 15 up to up to up to up to