Question

11. Stories in the Tallest Buildings The number of
stories in the 13 tallest buildings for two different cities
is listed below. Which set of data is more variable?
Houston: 75, 71, 64, 56, 53, 55, 47, 55, 52, 50, 50, 50, 47
Pittsburgh: 64, 54, 40, 32, 46, 44, 42, 41, 40, 40, 34, 32, 30
Compute:
(a) mean, median, mode, range, variance and standard deviation for each data.
(b) Coefficient of Variation for each data.
(c) Which set of data is more variable (either Houston or Pittsburgh)?
(d) Compute coefficient of skeweness and comments about the shape.
INSTITBRUNO
BRE​

Answer 1

Answer:

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Answer 2

Answer:

here is ur answer

Step-by-step explanation:

a) Mean (x) = £ fixi/ £fi (direct method)

Mean (x) = a+ £fidi/£fi

Median = l+[n/2-cf/f] × h

Mode = l+[f1 - f0/2f1 -f0-f2] ×h

b) coefficient of variations= ( standard deviation / mean)

c)Houston

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