Mathematics, 12.12.2019 00:31 jairus34
The following n = 10 observations are a sample from a normal population. 7.4 7.0 6.5 7.4 7.6 6.2 6.9 7.6 6.5 6.9 (a) find the mean and standard deviation of these data. (round your standard deviation to four decimal places.) mean standard deviation (b) test h0: μ = 7.5 versus ha: μ < 7.5. use α = 0.01. test statistic: t =
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The following n = 10 observations are a sample from a normal population. 7.4 7.0 6.5 7.4 7.6 6.2 6.9...
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