11.1.21 – T Table Critical Values
MyStatLab
Pearson
Given the T probability % along with the degrees of freedom in two different scenarios… find the critical value that would be used.
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Given the T probability % along with the degrees of freedom in two different scenarios… find the critical value that would be used.
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Given the sample size, the average amount over speed limit, the standard deviation, and the confidence interval… calculate the margin of error along with determining the sample size that would yield a margin of error less than 1 (or other value).
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Given the mean cost of an audit session, the sample size, the sample mean, and the standard deviation… calculate a confidence interval and asks what it means.
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Given the area average, the standard deviation, and the number of healthy adults – find the shape, mean, and standard deviation of the sample distribution.
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Determine if the variance in cereal box fillings exceeds the design specification based on a sample of boxes, using a significance level of 0.05.
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Compare the unit cost variances between two production departments based on sample data to determine if they differ, using a significance level of 0.10.
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Estimate and analyze the population variance and standard deviation of the number of rooms occupied per day at a hotel during a particular season based on a sample of 20 days of operation.
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Determine various chi-square distribution values with different degrees of freedom and confidence levels.
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Calculate the confidence intervals for the population variance and standard deviation based on a sample standard deviation of 5, using appropriate tables.
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