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An engineer has carefully measured the spacing between anchor bolts (in mm) as: 19   23    21    21 19  ...

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Question

Statistics

An engineer has carefully measured the spacing betweenanchor bolts (in mm) as:

19   23    21    21
19   13    26    15
30    30   17    24
20   16    24    20

Find:
a. The 90 percent CI for µ
b. The 80 percent CI for µ
c. The 99 percent CI for µ assuming σ = 4.1 mm is known

Answer & Explanation Solved by verified expert
4.4 Ratings (898 Votes)
19 23 21 21 19 13 26 15 30 30 17 24 20 16 24 2016 2175S sqrt19 21752 23 21752 21 21752 21 21752 19 21752 13 21752 26    See Answer
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