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Asked: Apr 12th, 2016
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Twenty five independent polls of one thousand
random people each are taken during the course of an extremely close election
campaign. People in the poll are asked which of the two candidates they favor
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A t test examines if two means (averages) are reliably different from each other; that is, whether any significant differences exist between the means of samples from different populations. For example, to what extent is the output of a local office which applied an IT solution different than the output of other local offices which did not apply the IT solution? Also, if you wanted to test whether the average IQ score of a group of students differs from 100, you may use a t test. A t test does more than just compare means; as an inferential statistic, t tests allow researchers to make inferences about the populations beyond their sample data.For this Assignment, you will use the IT Security database and conduct two t tests: (a) one-sample t test and (b) paired-samples t test and prepare an APA results write-up for each test....thank you
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Most Popular Content
1 page
Degrees To Radians
Changing from degrees to radians, just requires a simple multiplication and then reducing the resulting To go from degrees ...
Degrees To Radians
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Poll: Estimate the standard error and the margin of error, statistics homework help
Twenty five independent polls of one thousand
random people each are taken during the course of an extremely close elec ...
Poll: Estimate the standard error and the margin of error, statistics homework help
Twenty five independent polls of one thousand
random people each are taken during the course of an extremely close election
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and the percentage who favor the incumbent candidate is computed for each poll.
a. Estimate the standard error and the margin of
error for each of these polls. Justify your answer and briefly explain the differences
between them.
b. How large a poll sample would be required if
a margin of error of only 10% was desired?
c. One of the other candidate’s approval ratings
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standard deviation of the list of all twenty five poll percentages for this
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A t test examines if two means (averages) are reliably different from each other; that is, whether any significant differences exist between the means of samples from different populations. For example, to what extent is the output of a local office which applied an IT solution different than the output of other local offices which did not apply the IT solution? Also, if you wanted to test whether the average IQ score of a group of students differs from 100, you may use a t test. A t test does more than just compare means; as an inferential statistic, t tests allow researchers to make inferences about the populations beyond their sample data.For this Assignment, you will use the IT Security database and conduct two t tests: (a) one-sample t test and (b) paired-samples t test and prepare an APA results write-up for each test....thank you
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