n 1971, there was a shift in attitudes, as Americans’ “ideal” family switched from four kids to two kids, with a mean saying 2.9 kids was ideal. Back in 1936, the mean ideal number of kids was 3.6. A random set of UAlbany students were polled and asked what was their ideal of family size. The measurements below represent their responses. 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4 For the final entry, a careless internship student recorded a number that was at least 20 times larger than 4: 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 4, (much larger than 4)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In 1971, there was a shift in attitudes, as Americans’ “ideal” family switched from four kids to two kids, with a mean saying 2.9 kids was ideal. Back in 1936, the mean ideal number of kids was 3.6. A random set of UAlbany students were polled and asked what was their ideal of family size. The measurements below represent their responses.

0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4

For the final entry, a careless internship student recorded a number that was at least 20 times larger than 4:

0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 4, (much larger than 4)

The employee's mistake would have the following effect:

The median would

decrease
stay the same    
increase


The mean would

decrease
stay the same    
increase


The mode would

increase
decrease    
stay the same


The IQR would

stay the same
decrease    
increase


The standard deviation would

increase
decrease    
stay the same
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