Concept explainers
(a)
To explain the effect on the shape due to decrease in the of each car by $500.
(a)
Answer to Problem 24E
No change
Explanation of Solution
Here the changes are being made in the car price of each carwhich is decrease in the Car price of each car by $500. The changes in the Car price of all cars mean that there is change in origin and there is no effect on the shape of the distribution due to change in origin.
(b)
To explain the effect on the Mean and
(b)
Answer to Problem 24E
Mean = It will be decreased by $500
Median = No effect
Explanation of Solution
Here the changes are being made in the Car price of each car which is decrease in the Car price of each car by $500. The changes in the Car price of all cars means that there is change in origin and when there is change in origin means there is also increase or decrease by the same amount, so the mean will decrease by $500, but there is no effect on the median. The median of the data still the middle term of the data.
(c)
To explain the effect on the Mean and median due to decrease in the Car price of each each car by $500.
(c)
Answer to Problem 24E
Standard deviation = No change
Explanation of Solution
Here the changes are being made in the Car price of each car which is decrease in the Car price of each car by $500. The changes in the Car price of all cars means that there is change in origin and when there is change in origin then there is no effect on the measures of the dispersion like standard and interquartile
Chapter 2 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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