consider in the 1. The following are determination on sample size EXCEPT for the A. Margin of error B. Level of confidence D. variance or standard deviation the factors to C. confidence interval 2. The value of confidence coefficient (zas) of 1.96 is used in sample size determination if a researcher wants to be % confidence level that the parameter is within the estimate. A 99 В. 95 С. 92 D. 90
consider in the 1. The following are determination on sample size EXCEPT for the A. Margin of error B. Level of confidence D. variance or standard deviation the factors to C. confidence interval 2. The value of confidence coefficient (zas) of 1.96 is used in sample size determination if a researcher wants to be % confidence level that the parameter is within the estimate. A 99 В. 95 С. 92 D. 90
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:the factors to
consider
in
the
1. The following are
determination on sample size EXCEPT for the
A. Margin of error
B. Level of confidence D. variance or standard deviation
АВ СD
C. confidence interval
B
2. The value of confidence coefficient (Za) of 1.96 is used in
sample size determination if a researcher wants to be
confidence level that the parameter is within the
estimate.
99
В. 95
С. 92
D.
90
А В
3. How does the level of confidence affect the sample size?
(Consider that otherfactors are constant)
А.
The higher the level of confidence, the smaller the
sample size required.
The lower the level of confidence, the larger the sample
size required.
С.
В.
The lower the level of confidence, the smaller the
sample size required.
D. The sample size remains constant in every level of
confidence.
4.
Which of the following is the correct equation for sample
size determination?
A. n=x- Za/2
(Za/
C. n =
E
B. n X E
D. n df+ 1
5. How does the margin of error and sample size affect one
another? (Assume that the other factors are constant)
A. A smaller sample size reduces the margin of error.
B. A higher margin of error requires a larger sample.
C. A lower margin of error requires a larger sample size.
D. A small sample size results in a lower margin of error.
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