You may need to use the appropriate appendix table or technology to answer this question. Money reports that the average annual cost of the first year of owning and caring for a large dog in 2017 is $1,448. The Irish Red and White Setter Association of America has requested a study to estimate the annual first-year cost for owners of this breed. A sample of 50 will be used. Based on past studies, the population standard deviation is assumed known with a = $260. 1,902 1,945 2,042 1,854 1,739 1,434 2,153 1,934 2,094 1,379 1,813 2,118 1,978 2,232 2,294 (a) What is the margin of error for a 95% confidence interval of the mean cost in dollars of the first year of owning and caring for this breed? (Round your answer to nearest cent.) 1,936 1,739 1,335 2,006 1,516 1,839 1,679 1,817 1,667 1,913 2,163 2,166 1,504 1,737 1,482 1,700 1,572 1,736 1,888 1,532 1,907 1,456 1,958 1,770 2,052 1,670 1,737 2,230 1,679 2,060 1,683 2,131 1,882 1,850 1,939
You may need to use the appropriate appendix table or technology to answer this question. Money reports that the average annual cost of the first year of owning and caring for a large dog in 2017 is $1,448. The Irish Red and White Setter Association of America has requested a study to estimate the annual first-year cost for owners of this breed. A sample of 50 will be used. Based on past studies, the population standard deviation is assumed known with a = $260. 1,902 1,945 2,042 1,854 1,739 1,434 2,153 1,934 2,094 1,379 1,813 2,118 1,978 2,232 2,294 (a) What is the margin of error for a 95% confidence interval of the mean cost in dollars of the first year of owning and caring for this breed? (Round your answer to nearest cent.) 1,936 1,739 1,335 2,006 1,516 1,839 1,679 1,817 1,667 1,913 2,163 2,166 1,504 1,737 1,482 1,700 1,572 1,736 1,888 1,532 1,907 1,456 1,958 1,770 2,052 1,670 1,737 2,230 1,679 2,060 1,683 2,131 1,882 1,850 1,939
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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Transcribed Image Text:DATAfile: Setters
You may need to use the appropriate appendix table or technology to answer this question.
Money reports that the average annual cost of the first year of owning and caring for a large dog in 2017 is $1,448. The Irish Red and White Setter Association of
America has requested a study to estimate the annual first-year cost for owners of this breed. A sample of 50 will be used. Based on past studies, the population
$260.
standard deviation is assumed known with a =
1,902
$
1,945
1,739
2,042
1,978
1,854 1,913
1,936
2,006
1,817
1,335
1,667
1,434
1,516
1,679
1,700
1,504 1,572
1,482
2,166
1,839
1,739
1,736 1,670
1,888
2,163 1,737
1,737
1,532
1,770
1,907
2,230
1,958
1,456
2,052
2,131
1,882
1,934
1,683
2,060
1,679
1,379
1,813
1,850 2,232
2,153
2,094
1,939
2,118
2,294
(a) What is the margin of error for a 95% confidence interval of the mean cost in dollars of the first year of owning and caring for this breed? (Round your
answer to nearest cent.)
(b) The DATAfile Setters contains data collected from fifty owners of Irish Setters on the cost of the first year of owning and caring for their dogs. Use this data
set to compute the sample mean. Using this sample, what is the 95% confidence interval for the mean cost in dollars of the first year of owning and caring
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for an Irish Red and White Setter? (Round your answers to nearest cent.)
$
to $
11:18 AM
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