b) Does a pollster's gender have an effect on poll responses by men? A U.S. News & World Report article about polls stated: "On sensitive issues, people tend to give 'acceptable' rather than honest responses; their answers may depend on the gender or race of the interviewer." To support that claim, data were provided for an Eagleton Institute poll in which surveyed men were asked if they agreed with this statement: "Abortion is a private matter that should be left to the woman to decide without government intervention." We will analyze the effect of gender on male survey subjects only. Table is based on the responses of surveyed men. Gender of Interviewers Women 308 92 Men 560 Men who agree Men who disagree 240 Assume that the survey was designed so that male interviewers were instructed to obtain 800 responses from male subjects, and female interviewers were instructed to obtain 400 responses from male subjects. Using a 0.05 significance level, test the claim that the proportions of responses are the same for the subjects interviewed by men and the subjects interviewed by women. Use contingency analysis method. (20)

b) Does a pollster's gender have an effect on poll responses by men? A U.S. News & World Report article about polls stated: "On sensitive issues, people tend to give 'acceptable' rather than honest responses; their answers may depend on the gender or race of the interviewer." To support that claim, data were provided for an Eagleton Institute poll in which surveyed men were asked if they agreed with this statement: "Abortion is a private matter that should be left to the woman to decide without government intervention." We will analyze the effect of gender on male survey subjects only. Table is based on the responses of surveyed men. Gender of Interviewers Women 308 92 Men 560 Men who agree Men who disagree 240 Assume that the survey was designed so that male interviewers were instructed to obtain 800 responses from male subjects, and female interviewers were instructed to obtain 400 responses from male subjects. Using a 0.05 significance level, test the claim that the proportions of responses are the same for the subjects interviewed by men and the subjects interviewed by women. Use contingency analysis method. (20)

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MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Concept explainers

Inverse Normal Distribution

The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.

Mean, Median, Mode

It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.

Z-Scores

A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.

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b) Does a pollster's gender have an effect on poll responses by men? A U.S. News &
World Report article about polls stated: "On sensitive issues, people tend to give
'acceptable' rather than honest responses; their answers may depend on the gender or
race of the interviewer." To support that claim, data were provided for an Eagleton
Institute poll in which surveyed men were asked if they agreed with this statement:
"Abortion is a private matter that should be left to the woman to decide without
government intervention." We will analyze the effect of gender on male survey subjects
only. Table is based on the responses of surveyed men.
Gender of Interviewers
Women
308
92
Men
560
Men who agree
Men who disagree
240
Assume that the survey was designed so that male interviewers were instructed to obtain
800 responses from male subjects, and female interviewers were instructed to obtain 400
responses from male subjects. Using a 0.05 significance level, test the claim that the
proportions of responses are the same for the subjects interviewed by men and the
subjects interviewed by women. Use contingency analysis method.
(20)

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