Concept explainers
Commercial break: Following are the amounts spent (in millions of dollars) on media advertising in the United States by a sample of 10 companies.
- Find the
mean amount spent on advertising. - Find the
median amount spent on advertising. - If the amount of 722.5 was incorrectly listed as 7225, how would this affect the mean? How would it affect the median?
(a)
To Find: To Find the mean amount spent on advertising.
Answer to Problem 47E
Mean amount spent for media advertising
Explanation of Solution
Given:
Formula used:
Calculation:
Mean amount spent for media advertising, Mean,
(b)
To Find: To Find the median amount spent on advertising.
Answer to Problem 47E
Median amount spent for media advertising
Explanation of Solution
Calculation:
Median amount spent for media advertising, For Median, first arrange data in sequential order,
Therefore, amount spent on media advertising, Mean amount
(c)
To Find: the mean and median, if
Answer to Problem 47E
Mean will become
Explanation of Solution
Calculation- If an amount of
For Median, first arrange data in sequential order,
Thus, if an amount of
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Chapter 3 Solutions
Elementary Statistics ( 3rd International Edition ) Isbn:9781260092561
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillBig Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt