Sample Size and Proportion Concepts
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
Read more
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of this tutorial?
Understanding Z-scores
Calculating standard deviation
Sample size for interval estimate of a population proportion
Sample size for interval estimate of a population mean
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT used in the equation for sample size of a population proportion?
Sample size (N)
Z-score (Z)
Standard deviation
Margin of error (E)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the symbol 'P' represent in the equation?
Sample size
Z-score
Proportion or percentage
Margin of error
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What confidence level is assumed in the example calculation?
90%
99%
95%
80%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example calculation, what is the value of the margin of error used?
0.05
0.15
0.10
0.025
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated sample size in the example provided?
1,000
1,500
1,153
1,200
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between sample size and proportion in the graph?
Sample size decreases as proportion increases
Sample size increases as proportion decreases
Sample size is constant regardless of proportion
Sample size is symmetrical for different proportions
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
Already have an account?
