A frequency distribution is as follows:
Value Frequency
At least 0, under 5 2
At least 5, under 8 30
At least 8, under 11 10
At least 11, under 14 4
At least 14, under 17 2
Calculate quartile measure of skewness.
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Answer:
Step-by-step explanation:
To find quartile
N/2 = 48 /2 = 24
Median = L + (n/2 -c)×h / f
= 5 + 24-2 ×3/30
= 5 + 22×3/30
= 7.2
Now to find Q1
N /4 = 48 /4 = 12
Q1 = L + (n/4 -c)×h / f
Q1 = 2 + 12-0 ×3/2
Q1 = 2 +36 /2
Q1= 2 + 18
Q1 = 20
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