T Distribution Hypothesis Test

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In testing hypotheses, which of the following would be strong evidence against the null hypothesis?
using a small level of significance
using a large level of significance
obtaining data with a small p-value
obtaining data with a low test statistic
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose the P-value for a hypothesis test is 0.0304. Using a = 0.05, what is the appropriate conclusion?
Reject the null hypothesis
Reject the alternative hypothesis
Fail to reject the null hypothesis
Fail to reject the alternative hypothesis
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When do you use a t-value instead of a z-value?
When n < 30
When n ≥ 30
When all of the planets align
When Ms. O said to
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H0: μ = k
H1: μ ≠ k
Left-tailed test
Two-tailed test
Right-tailed test
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H0: μ = k
H1: μ > k
Left-tailed test
Right-tailed test
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is a random variable that is calculated from sample data and used in a hypothesis test.
Sample
t-test
test statistic
z-test
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A fast food chain owner claims that the average number of people who visits their store is 1350 daily with a standard deviation of 30. A random sample of 20 days showed that the average number of people who visits their store is 1400. What is the appropriate form of test statistic?
q - test
z - test
t - test
x - test
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At the Chrysler manufacturing plant, there is a part that is supposed to weigh precisely 19 pounds. The engineers take a sample of parts and want to know if they meet the weight specifications. What are our null and alternative hypotheses?
Ho : μ = 17, Ha : μ ≠ 19
Ho : μ = 19, Ha : μ ≠ 19
Ho : μ = 19, Ha : μ ≠ 17
Ho : μ = 17, Ha : μ ≠ 17
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This is the same write-up as found in the previous question:
A recent newspaper article claimed that the President’s approval rating is 46%; however, a sample of 80 U.S. citizens shows that 43 of them approve of the President’s performance. At a 0.10 level of significance, you are interested in determining if there is evidence that the President’s approval rating is actually higher.
What is the p-value for this hypothesis test?
.082
.164
.702
.298
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