Name that Hypothesis Test (1 sample)

Quiz
•
Mathematics
•
10th Grade
•
Medium
Standards-aligned
K. Mariani
Used 13+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of hypothesis test would you use?
A random sample of 49 medical doctors in LA showed that they worked an average of 53.1 hours/week with a standard deviation of 7.2 hours/week. If the California average is 60 hours/week, does this give evidence that the LA doctors work significantly less than the rest of California?
1 Proportion z test
1 sample t test
1 sample z test
None of these
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the correct null and alternate hypothesis
A random sample of 49 medical doctors in LA showed that they worked an average of 53.1 hours/week with a standard deviation of 7.2 hours/week. If the California average is 60 hours/week, does this give evidence that the LA doctors work significantly less than the rest of California?
Ho: p = 60
Ha: p < 60
Ho: μ = 53.1
Ha : μ < 53.1
None of these
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
USA Today reported that in 1992, 39% of all elementary school children claimed that when they grow up they want to do something to help other people. However, in 1995, 128 of a random sample of 317 of these same children claimed that when they grow up they want to do something to help other people. Does this information indicate that the proportion has increased? Suppose α = 0.05.
1 Proportion z test
1 sample t test
1 sample z test
1 Proportion z interval
Tags
CCSS.HSS.IC.B.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct set of hypothesis
USA Today reported that in 1992, 39% of all elementary school children claimed that when they grow up they want to do something to help other people. However, in 1995, 128 of a random sample of 317 of these same children claimed that when they grow up they want to do something to help other people. Does this information indicate that the proportion has increased? Suppose α = 0.05.
Ho: p = .39
Ha : p > .39
Ho: p = .40
Ha : p > .40
Ho: μ = .39
Ha : μ > .39
Ho: μ = .40
Ha : μ > .40
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of hypothesis test would you use?
A psychologist claims that the mean age at which children start walking is 12.5 months. The following data give the age at which 18 randomly selected children started walking.
15 11 13 14 15 12 15 10 16 17 14 16 13 15 15 14 11 13
Test at the 1% level of significance if the mean age at which children start walking is different from 12.5.
1 Proportion z test
1 sample t test
1 sample z test
1 sample t interval
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which would be equivalent to the hypothesis test in the previous question?
A psychologist claims that the mean age at which children start walking is 12.5 months. The following data give the age at which 18 randomly selected children started walking.
15 11 13 14 15 12 15 10 16 17 14 16 13 15 15 14 11 13
Test at the 1% level of significance if the mean age at which children start walking is different from 12.5.
A 90% confidence interval with 𝛂=.10
A 99.5% confidence interval with 𝛂=0.005
A 99% confidence interval with 𝛂=.01
No confidence interval would be appropriate here.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What kind of hypothesis test would you use?
The population standard deviation for waiting times to be seated at a restaurant is known to be 10 minutes. An expensive restaurant claims that the average waiting time for dinner is approximately 1 hour, but we suspect that this claim is inflated to make the restaurant appear more exclusive and successful. A random sample of 30 customers yielded a sample average waiting time of 50 minutes. Is there evidence to say that the restaurant’s claim is too high?
1 Proportion z test
1 sample t test
1 sample z test
1 sample z interval
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