Mac's Hypothesis Testing
Authored by Brian McCleskey
Mathematics
11th - 12th Grade
CCSS covered
Used 19+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
It is desired to test the claim that a steady diet of wolfbane will cause a lycanthrope (werewolf) to lose 10 lbs. over 5 months. A random sample of 49 lycanthropes was taken yielding an average weight loss over 5 months of 12.5 pounds, with S = 7 lbs. Identify the critical value suitable for conducting a two-tail test of the hypothesis at the 5% level.
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The average miles on a tank of gas for the Ford
Explorer is 300 miles with a standard deviation of 22
miles. A consumer group feels the average is actually
lower. They survey 40 vehicles and find the average
miles per tank is 290 miles. At α = 0.05, test the
consumer groups’ claim that the miles per tank is
actually lower than 300 miles.
There is enough evidence to reject the claim
There is not enough evidence to reject the claim
There is enough evidence to support the claim
There is not enough evidence to support the claim
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A left-tailed test has a test statistic of z = -2.72. Which is the correct p-value?
information
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following represents the appropriate null & alternative hypotheses?
The mean height of women is greater than 64"
Hₐ: μ ≠ 64"
Hₐ: μ > 64"
Hₐ: p ≠ 64"
Hₐ: p > 64"
Tags
CCSS.HSS.IC.B.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the critical value (in a test about proportions) for a left-tailed test with α = 0.05 and n ≥ 30.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the critical value (in a test about means when population standard deviation is known) for a right-tailed test with α = 0.01 and n ≥ 30.
Tags
CCSS.HSS.ID.A.4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In their advertisements, a new diet program would like to claim that their methods result in a mean weight loss of more than ten pounds in two weeks. In order to determine if this is a valid claim, they hire an independent testing agency that then selects twenty-five people to be placed on this diet. The agency should be testing the null hypothesis H0: m = 10 and the alternative hypothesis
Tags
CCSS.HSS.IC.B.4
CCSS.HSS.IC.A.1
CCSS.HSS.IC.B.5
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