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Which of the given statements is correct? Outliers can invalidate the z procedures, especially if the sample size is small. A confidence interval computed on data collected using a convenience sample will be valid as long as the sample size is large. The z procedures can be used with complex sampling schemes as long as the distribution of the variable in the population is Normal. The z test only works well if the variable in the population has a Normal distribution, even with large samples.

Which of the given statements is correct? Outliers can invalidate the z procedures, especially if the sample size is small. A confidence interval computed on data collected using a convenience sample will be valid as long as the sample size is large. The z procedures can be used with complex sampling schemes as long as the distribution of the variable in the population is Normal. The z test only works well if the variable in the population has a Normal distribution, even with large samples.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Which of the given statements is correct? Outliers can invalidate the z procedures, especially if the sample size is small. A confidence interval computed on data collected using a convenience sample will be valid as long as the sample size is large. The z procedures can be used with complex sampling schemes as long as the distribution of the variable in the population is Normal. The z test only works well if the variable in the population has a Normal distribution, even with large samples.
Transcribed Image Text:Which of the given statements is correct? Outliers can invalidate the z procedures, especially if the sample size is small. A confidence interval computed on data collected using a convenience sample will be valid as long as the sample size is large. The z procedures can be used with complex sampling schemes as long as the distribution of the variable in the population is Normal. The z test only works well if the variable in the population has a Normal distribution, even with large samples.
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