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dependent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population Sample Size Sample Mean Sample Variance 1 38 9.2 8.46 2 47 7.3 14.22 instruct a 90% confidence interval for the difference in the population means. (Use #₁₂. Round your answers to two decimal places.) to instruct a 99% confidence interval for the difference in the population means. (Round your answers to two decimal places.) to that does the phrase "90% confident" or "99% confident" mean? O In repeated sampling, 90% (or 99% as the case may be) of all intervals constructed in this manner will enclose #₁ #₂. Hence, we are fairly certain that this particular interval contains #₁ - H₂ O There is a 90% (or 99% as the case may be) chance that for any two samples, one sample from population 1 and one sample from population 2, the difference between sample means will fall within the interval. Hence, we are fairly certain that this particula interval contains #₁ - H₂ O In repeated sampling, 10% (or 1% as the case may be) of all intervals constructed in this manner will enclose ₁-₂. Hence, we are fairly certain that this particular interval contains #₁ - O 90% (or 99% as the case may be) of all values from populations 1 and 2 will fall within the interval. Hence, we are fairly certain that this particular interval contains #₁ - ₂- A Th 90% (or 80% as the Honce we are fairhr certain that thie particular intencal containe he) probability that the intencal will end

dependent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population Sample Size Sample Mean Sample Variance 1 38 9.2 8.46 2 47 7.3 14.22 instruct a 90% confidence interval for the difference in the population means. (Use #₁₂. Round your answers to two decimal places.) to instruct a 99% confidence interval for the difference in the population means. (Round your answers to two decimal places.) to that does the phrase "90% confident" or "99% confident" mean? O In repeated sampling, 90% (or 99% as the case may be) of all intervals constructed in this manner will enclose #₁ #₂. Hence, we are fairly certain that this particular interval contains #₁ - H₂ O There is a 90% (or 99% as the case may be) chance that for any two samples, one sample from population 1 and one sample from population 2, the difference between sample means will fall within the interval. Hence, we are fairly certain that this particula interval contains #₁ - H₂ O In repeated sampling, 10% (or 1% as the case may be) of all intervals constructed in this manner will enclose ₁-₂. Hence, we are fairly certain that this particular interval contains #₁ - O 90% (or 99% as the case may be) of all values from populations 1 and 2 will fall within the interval. Hence, we are fairly certain that this particular interval contains #₁ - ₂- A Th 90% (or 80% as the Honce we are fairhr certain that thie particular intencal containe he) probability that the intencal will end

MATLAB: An Introduction with Applications
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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Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population Sample Size Sample Mean Sample Variance 1 38 9.2 8.46 2 47 7.3 14.22 Construct a 90% confidence interval for the difference in the population means. (Use μ₁-₂. Round your answers to two decimal places.) Construct a 99% confidence interval for the difference in the population means. (Round your answers to two decimal places.) to What does the phrase "90% confident" or "99% confident" mean? O In repeated sampling, 90% (or 99% as the case may be) of all intervals constructed in this manner will enclose μ₁ −μ₂. Hence, we are fairly certain that this particular interval contains μg - H₂. O There is a 90% (or 99% as the case may be) chance that for any two samples, one sample from population 1 and one sample from population 2, the difference between sample means will fall within the interval. Hence, we are fairly certain that this particular interval contains ₁ - ₂. O In repeated sampling, 10% (or 1% as the case may be) of all intervals constructed in this manner will enclose μ₁-₂. Hence, we are fairly certain that this particular interval contains μ₁ - ₂. O 90% (or 99% as the case may be) of all values from populations 1 and 2 will fall within the interval. Hence, we are fairly certain that this particular interval contains μ₁ - H₂. O There is a 90% (or 99% as the case may be) probability that the interval will enclose μ₁-₂. Hence, we are fairly certain that this particular interval contains μ₁ −μ₂.
Transcribed Image Text:Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population Sample Size Sample Mean Sample Variance 1 38 9.2 8.46 2 47 7.3 14.22 Construct a 90% confidence interval for the difference in the population means. (Use μ₁-₂. Round your answers to two decimal places.) Construct a 99% confidence interval for the difference in the population means. (Round your answers to two decimal places.) to What does the phrase "90% confident" or "99% confident" mean? O In repeated sampling, 90% (or 99% as the case may be) of all intervals constructed in this manner will enclose μ₁ −μ₂. Hence, we are fairly certain that this particular interval contains μg - H₂. O There is a 90% (or 99% as the case may be) chance that for any two samples, one sample from population 1 and one sample from population 2, the difference between sample means will fall within the interval. Hence, we are fairly certain that this particular interval contains ₁ - ₂. O In repeated sampling, 10% (or 1% as the case may be) of all intervals constructed in this manner will enclose μ₁-₂. Hence, we are fairly certain that this particular interval contains μ₁ - ₂. O 90% (or 99% as the case may be) of all values from populations 1 and 2 will fall within the interval. Hence, we are fairly certain that this particular interval contains μ₁ - H₂. O There is a 90% (or 99% as the case may be) probability that the interval will enclose μ₁-₂. Hence, we are fairly certain that this particular interval contains μ₁ −μ₂.
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