a)
To find the
a)
Answer to Problem 19E
New mean is 152 and standard deviation is 84.
Explanation of Solution
Given:
All the values decreased by 1000 pounds. Therefore, the mean is also decreased by 1000 pounds.
Then the new mean is,
There will be no impact on standard deviation because the spread of the data values will not change by adding subtracting any value.
Therefore,
b)
To find the mean and standard deviation of the sale prices for all the steers.
b)
Answer to Problem 19E
New mean is $460.80 and standard deviation is $33.60
Explanation of Solution
Given:
All the values multiplied by $0.4.
Then the new mean is,
Therefore,
Chapter 6 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Essentials of Statistics (6th Edition)
STATS:DATA+MODELS-W/DVD
Intro Stats, Books a la Carte Edition (5th Edition)
Essentials of Statistics, Books a la Carte Edition (5th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
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