Q2 P2 B. Find the first quartile for this list of numbers 38 C. Find the third q

Question

Q2 P2

B. Find the first quartile for this list of numbers

38

C. Find the third quartile for this list of numbers

Quartile 3 =

D. One indicator that you've done your computations correctly for a cumulative (G)FDT is that the highest category should have a cumulative frequency value equal to the _____ _____.

Fill in the blank:

For GFDTs and the relative GFDTs, the points are centered above the class midpoint. For cumulative or relative cumulative GFDTs, the points are drawn above the _______ interval limits.

Fill in the blank:

62 71 88 89 37 77 51 22 21 39 96 83 1 90

38

C. Find the third quartile for this list of numbers

59 38 65 29 80 87 49 58 70 61 28 94 15 86 78

Quartile 3 =

7 8 910 1112 1314 15 16 data

Explanation / Answer

a) the five number summary indicates min, quartile1,medain,quarttile3,max

from the box plot we can easily identify the above values

min =7, Q1 = 9 , median = 10 , Q3 = 15, max =16

b) Arrange the given numbers in increasing order

1,21,22,37,38,39,51,62....96

we have total 15 values where 8 value is median =62,first quartile is the middle value of 1 to 7 ie 4 value =37

c) third quartile is 80

d)

In a cumulative frequency distribution, the last / highest class will always have a cumulative frequency equal to

sample size

e)

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