
Final Benchmark Review
Quiz
•
Mathematics
•
10th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Ashley Knight
Used 4+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you want a smaller margin of error what should you do?
Increase the sample size
Decrease the sample size
Increase the confidence level
Decrease the confidence level
Tags
CCSS.HSS.IC.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the meaning of a p-value?
The chance the null hypothesis is true
The chance the alternative hypothesis is true
The proportion of times of obtaining a value of the test statistic given the null is true
The chance of obtaining the value of the test statistic equal to the value actually obtained if the null is true
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean to fail to reject a null because of a p-value of 0.3 for a proportion?
We fail to reject the null because the sample size is only 30% of the population
We fail to reject the null because the p-value corresponds to a z-score of 0.7
We fail to reject the null because it is only true 30% of the time
We fail to reject the null because the sample proportion would occur 30% of the time if the null were true
Tags
CCSS.6.SP.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The t-distributions have similarities to the standard normal distribution, but:
t-distributions are not quite symmetrical
the spread is greater
t-distributions are centerd at (n-1)
t-distributions have an unknown shape
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you are given mean and sample standard deviation, what formula do you use to calulate a confidence interval?
mean ± t* (s ÷ n)
mean ± t* √(s ÷ n)
mean ± z* (n ÷ s)
mean ± t* (s ÷ √n)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you are given a proportion and are running a significance test, how do you find the p-value on your calculator?
1-PropZInterval
TInterval
TTest
1-PropZTest
Tags
CCSS.HSS.IC.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If we have a mean of 250, s = 100, and n = 16. And we are trying to see if there is evidence the population mean is greater than 200. To do this we test the hypothesis:
H0: μ = 200
Ha: μ > 200
What is the p-value?
larger than 0.10
between 0.05 and 0.10
between 0.01 and 0.05
below 0.01
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