Chapter 6, Section 5, Exercise 235Use a t-distribution to find a confidence interval for the difference in means μd=μ1-μ2 using the relevant sample results from paired data. Assume the results come from random samples from populations that are approximately normally distributed, and that differences are computed using d=x1-x2.A 95% confidence interval for μd using the paired data in the following table:CaseSituation 1Situation 21768628185394914617757078671607858988990Give the best estimate for μd, the margin of error, and the confidence interval.Enter the exact answer for the best estimate, and round your answers for the margin of error and the confidence interval to two decimal places.best estimate = Enter your answer; best estimatemargin of error = Enter your answer; margin of errorThe 95% confidence interval is Enter your answer; The 95% confidence interval, value 1 to Enter your answer; The 95% confidence interval, value 2.

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Description: Chapter 6, Section 5, Exercise 235Use a t-distribution to find a confidence interval for the difference in means μd=μ1-μ2 using the relevant sample results from paired data. Assume the results come from random samples from populations that are approx

Given n=8 Situation 1 Situation 2 76 86 81 85 94 91 61 77 70 78 71 60 85 89 89…

Answered: Give the best estimate for μd, the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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Chapter 6, Section 5, Exercise 235

Use a t-distribution to find a confidence interval for the difference in means μd=μ1-μ2 using the relevant sample results from paired data. Assume the results come from random samples from populations that are approximately normally distributed, and that differences are computed using d=x1-x2.

A 95% confidence interval for μd using the paired data in the following table:

Case	Situation 1	Situation 2
1	76	86
2	81	85
3	94	91
4	61	77
5	70	78
6	71	60
7	85	89
8	89	90

Give the best estimate for μd, the margin of error, and the confidence interval.

Enter the exact answer for the best estimate, and round your answers for the margin of error and the confidence interval to two decimal places.

best estimate = Enter your answer; best estimate

margin of error = Enter your answer; margin of error

The 95% confidence interval is Enter your answer; The 95% confidence interval, value 1 to Enter your answer; The 95% confidence interval, value 2.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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