WER NUMBER 11and15
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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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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Question
ANSWER NUMBER 11and15
Transcribed Image Text:For numbers 12 - 14, refer to the following table.
Consider the following sampling distribution of the sample mean.
4
4.5
5
5.5
P(X)
1
1
1
1
4
4
4
8
12. What is the probability that the sample mean less than 5, P(X < 5) ?
A.!
B.
D.
13. What is P(4.5 sXS 5.5)?
B.!
C. ?
D.
А.1
14. What is the mean of the sampling distribution of the sample mean?
А. З
В.5
С. 5.5
D. 6
15. What is the variance of the sampling distribution?
A. 0.728
B. 0.6123
C. 0.4790
D. 0.375
Transcribed Image Text:11. Which of the following is true about the mean of the sampling distribution of the
sample mean?
A. It is equal to the population mean.
B. It is greater than the population mean.
C. It is less than the population mean
D. It is sometimes less than or greater than population mean.
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