q4 or 5 plz Instructor: Steven Castillo Find the median number of automobiles pe

Question

q4 or 5 plz

Instructor: Steven Castillo Find the median number of automobiles per family by using the frequency distribution in the following table. Use the Weibull method Section #1307 0 14 10 9 9 5) Find the mode of the following grouped frequency distribution. Use the linear interpolation formula for mode Class 20-25 25-30 30-35 35-40 40-45 45-50 50-55 55-60 14 6 27 13 9 6) Compute the mean of the following stem-leaf distribution. Stem Leaf 3 2 4 023 4 5 13 4455689 6 025 7 036 8 8 125 The stem units are 10. Show each number (write out at least three numbers) used in the formula for computing the mean. #7

Explanation / Answer

5)

for maximum frequency occur for 40-45 class for which frequency is 27.

Lmo lower limit of mode interval =40

class width c =5

frequency of mode class =27

frequency of prior to mode class =fm-1 =6

frequency of after to mode class =fm+1 =13

Bin frequency(f) 20-25 3 25-30 7 30-35 14 35-40 6 40-45 27 45-50 13 50-55 9 55-60 7 total 86

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