Mathematics, 14.12.2019 02:31, nestergurl101
In may, the fill weights of 6-pound boxes of laundry soap had a mean of 6.13 pounds with a standard deviation of 0.095. the goal was to decrease the standard deviation. the company decided to adjust the filling machines and then test h0: σ = 0.095 against h1: σ < 0.095. in june, a random sample of size n = 20 yielded [(x)] = 6.10 and s = 0.065.1. what is the value of your test statistic? 2.what is the critical value for the test statistic at an α = 0.05 significance level? 3. what is the approximate p-value of the test?
Answers: 3
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