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The frequency distribution shows the average seasonal rainfall in California mea

ID: 3074894 • Letter: T

Question

The frequency distribution shows the average seasonal rainfall in California measured in inches

Please complete the chart (frequency and cumulative relative frequency) CRF to two decimal points

Rainfall                                 Frequency                          Cumulative Relative Frequency

0 -9.99                                   2                                                             

10 – 19.99                            25                                          

20 - 29.99                                                                             0.88       

30 -30.99 0.98

40 – 40.99                                                                            1.00

Total                               50

I would like a clear understanding of where the values come from to complete this chart. I have seen a couple of answers that do not clearly explain how the missing values are generated (Formulas).

Explanation / Answer

Solution :

Rainfall                                 Frequency                          Cumulative Relative Frequency

0 -9.99                                   2 2 / 50 = 0.04

10 – 19.99                            25 0.04 + 25/50 = 0.04 + 0.50 = 0.54   

20 - 29.99 17 17 / 50 = 0.34 + 0.54 = 0.88       

30 -30.99 0.98 3 3 / 50 = 0.06 + 0.88 = 0.94

40 – 40.99 3 3 / 50 = 0.06 + 0.94 = 1.00

Total 50

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