Question

You may need to use the appropriate appendix table or technology to answer this question. The following random sample from a population whose values were normally distributed was collected. 11 11 17 17 What is the 80% confidence interval for μ?

A. 10.000 to 18.000

B. 10.536 to 17.464

C. 11.163 to 16.837

D. 12.542 to 15.458

Answer #1

11 | -3 | 9 |

11 | -3 | 9 |

17 | 3 | 9 |

17 | 3 | 9 |

Refer t-table or use excel function
"**=T.INV.2T(0.20,3)**" to find the critical value of
t.

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