The following is a sample table, in years, whereby a home showerhead made by Ajax Jasts before replacement
5. The following is a sample table, in years, whereby a home showerhead made by Ajax Jasts before replacement:
| 6 | 12 | 8 | 12 | 18 | 14 | 7 |
|---|---|---|---|---|---|---|
| 8 | 4 | 8 | 13 | 17 | 17 | 17 |
| 2 | 25 | 9 | 24 | 16 | 19 | 14 |
| 1 | 18 | 4 | 27 | 22 | 8 | 12 |
| 1 | 11 | 6 | 8 | 5 | 9 | 13 |
| 8 | 16 | 14 | 13 | 3 | 6 | 10 |
Ajax is unsure of the standard deviation for the population of its showerheads. Ajax desires a 99 %confidence level. What is the interval?
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The following is a sample table, in years, whereby a home showerhead made by Ajax Jasts before replacement
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