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The following table represents the annual rainfall distribution in a city, for a sample of (5X+1) years. Rainfall (in cm) 20 - 25 25 – 30 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60 Number of years 3 X-3 7 2X-6 7 4 2 (X/2) - 1 a. Compute the average rainfall. Answer in exact fraction, or rounded to at least 4 decimal places cm b. Compute the median rainfall. Answer in exact fraction, or rounded to at least 4 decimal places. cm c. Determine the variance value of the rainfall distribution. Answer in exact fraction, or rounded to at least 4 decimal places.

The following table represents the annual rainfall distribution in a city, for a sample of (5X+1) years. Rainfall (in cm) 20 - 25 25 – 30 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60 Number of years 3 X-3 7 2X-6 7 4 2 (X/2) - 1 a. Compute the average rainfall. Answer in exact fraction, or rounded to at least 4 decimal places cm b. Compute the median rainfall. Answer in exact fraction, or rounded to at least 4 decimal places. cm c. Determine the variance value of the rainfall distribution. Answer in exact fraction, or rounded to at least 4 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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d. Find the Pearson's Coefficient of Skewness using the relation between Mean, Median and Standard Deviation. Answer in exact fraction, or rounded to at least 4 decimal places.
Transcribed Image Text:d. Find the Pearson's Coefficient of Skewness using the relation between Mean, Median and Standard Deviation. Answer in exact fraction, or rounded to at least 4 decimal places.
The following table represents the annual rainfall distribution in a city, for a sample of (5X+1) years. Rainfall (in cm) 20 - 25 25 – 30 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60 Number of years 3 X-3 7 2X-6 7 4 2 (X/2) - 1 a. Compute the average rainfall. Answer in exact fraction, or rounded to at least 4 decimal places cm b. Compute the median rainfall. Answer in exact fraction, or rounded to at least 4 decimal places. cm c. Determine the variance value of the rainfall distribution. Answer in exact fraction, or rounded to at least 4 decimal places.
Transcribed Image Text:The following table represents the annual rainfall distribution in a city, for a sample of (5X+1) years. Rainfall (in cm) 20 - 25 25 – 30 30 – 35 35 – 40 40 – 45 45 – 50 50 – 55 55 – 60 Number of years 3 X-3 7 2X-6 7 4 2 (X/2) - 1 a. Compute the average rainfall. Answer in exact fraction, or rounded to at least 4 decimal places cm b. Compute the median rainfall. Answer in exact fraction, or rounded to at least 4 decimal places. cm c. Determine the variance value of the rainfall distribution. Answer in exact fraction, or rounded to at least 4 decimal places.
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