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.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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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.
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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