
CCSS.Math.Content.HSS.MD.B.7
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Mathematics
2 Questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A school superintendent must make a decision whether or not to cancel school because of a threatening snow storm. What would the results be of Type I and Type II errors for the null hypothesis: The weather will remain dry?
Type I error: don't cancel school but the snow storm hits.
Type II error: the weather remains dry, but school is needlessly canceled.
Type I error: the weather remains dry, but school is needlessly canceled.
Type II error: don't cancel school, but the snow storm hits.
Type I error: cancel school, and the storm hits.
Type II error: don't cancel school , and the weather remains dry.
Type I error: don't cancel school, and the snow storm hits.
Type II error: don't cancel school , and the weather remains dry.
Type I error: don't cancel school , and the weather remains dry.
Type II error: cancel school, and the storm hits.
Tags
CCSS.Math.Content.HSS.MD.B.7
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
A test is made of H0 : µ = 17 versus H1 : µ < 17 is performed using α = 0.01 significance level. The value of the test statistic is z = -2.68 and it is concluded that H0 is rejected.
If the true value of µ is 17, is the conclusion a Type I Error, Type II error, or a correct decision?
Type I
Type II
Correct Decision
Tags
CCSS.Math.Content.HSS.MD.B.7
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