Many times in statistics it is necessary to see if a set of data values is approximately normally…
Many times in statistics it is necessary to see if a set of data values is approximately normally distributed. There are special techniques that can be used. One technique is to draw a histogram for the data and see if it is approximately bell-shaped. (Note: It does not have to be exactly symmetric to be bell-shaped.) The numbers of branches of the 50 top banks are shown. 67 84 80 77 97 59 62 37 33 42 36 54 18 12 19 33 49 24 25 22 24 29 9 21 21 24 31 17 15 21 13 19 19 22 22 30 41 22 18 20 26 33 14 14 16 22 26 10 16 24 1. Construct a frequency distribution for the data. 2. Construct a histogram for the data. 3. Describe the shape of the histogram. 4. Based on your answer to question 3, do you feel that the distribution is approximately normal? May 22 2022 02:43 PM
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