Question 14 4 pts Find the test statistic for a hypothesis test with \( H_{1}: \sigma^{2}>60, n=16, s=8.4 \). Round your answer to 3 decimal places.
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4 \), we can substitute these values into the formula: Show more…
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Find the test statistic for the hypothesis test: a. $H_{o}: \sigma^{2}=532$ versus $H_{a}: \sigma^{2}>532$ using sample information $n=18$ and $s^{2}=785$ b. $H_{o}: \sigma^{2}=52$ versus $H_{a}: \sigma^{2} \neq 52$ using sample information $n=41$ and $s^{2}=78.2$
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Use a computer or calculator to find the $p$ -value for the following hypothesis test: $H_{o}: \sigma=12.4$ versus $H_{a}: \sigma>12.4,$ if $\chi^{2} \star=36.59$ for a sample of $n=24$.
Calculate the value for the test statistic, $\chi^{2} \star,$ for each of these situations: a. $H_{o}: \sigma^{2}=20, n=15, s^{2}=17.8$ b. $H_{o}: \sigma^{2}=30, n=18, s=5.7$ c. $H_{o}: \sigma=42, n=25, s=37.8$ d. $H_{o}: \sigma=12, n=37, s^{2}=163$
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