Mathematics, 28.05.2020 17:02 ramirez2184
10.
83 random samples were selected from a normally distributed population and were found to have a mean of 32.1 and a standard deviation of 2.4. Construct a 90% confidence interval for the population standard deviation.
A.
2.2 < σ < 2.8
B.
28.8 < σ < 37.4
C.
4.6 < σ < 7.8
D.
1.4 < σ < 1.8
Answers: 2
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10.
83 random samples were selected from a normally distributed population and were found to h...
83 random samples were selected from a normally distributed population and were found to h...
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