A random sample of n = 5 observations from a normal population produced the following measurements: 788 60 Do the data provide sufficient evidence to indicate that o² <1? Use a = 0.01, and compute the following: (a) sample standard deviation s = 2 (b) test statistic x² (c) critical x = = The final conclustion is A. We can reject the null hypothesis that o² 1 and accept that o² < 1. B. There is not sufficient evidence to reject the null hypothesis that o² = 1. =

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A random sample of n = 5 observations from a normal population
produced the following measurements: 7 8 8 6 0
2
Do the data provide sufficient evidence to indicate that o² < 1? Use a = 0.01, and
compute the following:
(a) sample standard deviation s =
2
(b) test statistic x²
(c) critical xa
=
=
The final conclustion is
A. We can reject the null hypothesis that o²
1 and accept that o² < 1.
B. There is not sufficient evidence to reject the null hypothesis that o²
1.
=
=
Transcribed Image Text:A random sample of n = 5 observations from a normal population produced the following measurements: 7 8 8 6 0 2 Do the data provide sufficient evidence to indicate that o² < 1? Use a = 0.01, and compute the following: (a) sample standard deviation s = 2 (b) test statistic x² (c) critical xa = = The final conclustion is A. We can reject the null hypothesis that o² 1 and accept that o² < 1. B. There is not sufficient evidence to reject the null hypothesis that o² 1. = =
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