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 upon past studies the population standard deviation is known with σ = $255. a) 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. What is the random variable in the narrative? 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 of the first year of owning and caring for an Irish Red and White Setter? DATAfile Setter
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 upon past studies the population standard deviation is known with σ = $255.
a) The DATAfile Setters contains data collected from fifty owners of Irish Setters on the cost of the first year of owning and caring for their dogs. What is the random variable in the narrative?
b) The DATAfile Setters contains data collected from fifty owners of Irish Setters on the cost of the first year of owning and caring for their dogs. Use this data set to compute the sample
DATAfile Setter
| Cost ($) |
| 1902 |
| 2042 |
| 1936 |
| 1817 |
| 1504 |
| 1572 |
| 1532 |
| 1907 |
| 1882 |
| 2153 |
| 1945 |
| 1335 |
| 2006 |
| 1516 |
| 1839 |
| 1739 |
| 1456 |
| 1958 |
| 1934 |
| 2094 |
| 1739 |
| 1434 |
| 1667 |
| 1679 |
| 1736 |
| 1670 |
| 1770 |
| 2052 |
| 1379 |
| 1939 |
| 1854 |
| 1913 |
| 2163 |
| 1737 |
| 1888 |
| 1737 |
| 2230 |
| 2131 |
| 1813 |
| 2118 |
| 1978 |
| 2166 |
| 1482 |
| 1700 |
| 1679 |
| 2060 |
| 1683 |
| 1850 |
| 2232 |
| 2294 |
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