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The following data are the viscosity measurements for a chemical product observed every 5 minutes. Construct a 95% confidence interval on the population mean u. How many viscosity measurements are needed to ensure 95% confidence interval that has a length at most of 1.0? Include your solutions. 47.9 48.6 48.0 48.1 43.0 43.2 47.9 48.8 47.5 48.0 42.9 43.6 48.6 48.1 48.6 48.3 43.6 43.2 48.0 48.3 48.0 43.2 43.3 43.5 48.4 47.2 47.9 43.0 43.0 43.0 48.1 48.9 48.3 43.5 42.8 48.0 48.6 48.5 43.1 43.1 Oa. Confidence interval cannot be determined as o is unknown. But because the sample size is large, we could use the sample standard deviation as a point estimate of a. Increasing the sample size while keeping the standard deviation constant will decrease the interval length Ob. 45.41 s i s 46.97. Sample size need to be increased to 96 viscosity measurements to ensure 95% confidence interval length at most 1.0 Oc NONE Od. 45.41 s us 46.97. Sample size need to be increased to 97 viscosity measurements to ensure 95% confidence interval length at most 1.0

The following data are the viscosity measurements for a chemical product observed every 5 minutes. Construct a 95% confidence interval on the population mean u. How many viscosity measurements are needed to ensure 95% confidence interval that has a length at most of 1.0? Include your solutions. 47.9 48.6 48.0 48.1 43.0 43.2 47.9 48.8 47.5 48.0 42.9 43.6 48.6 48.1 48.6 48.3 43.6 43.2 48.0 48.3 48.0 43.2 43.3 43.5 48.4 47.2 47.9 43.0 43.0 43.0 48.1 48.9 48.3 43.5 42.8 48.0 48.6 48.5 43.1 43.1 Oa. Confidence interval cannot be determined as o is unknown. But because the sample size is large, we could use the sample standard deviation as a point estimate of a. Increasing the sample size while keeping the standard deviation constant will decrease the interval length Ob. 45.41 s i s 46.97. Sample size need to be increased to 96 viscosity measurements to ensure 95% confidence interval length at most 1.0 Oc NONE Od. 45.41 s us 46.97. Sample size need to be increased to 97 viscosity measurements to ensure 95% confidence interval length at most 1.0

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 26PFA
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The following data are the viscosity measurements for a chemical product observed every 5 minutes. Construct a 95% confidence interval on the population mean u. How many viscosity measurements are needed to ensure 95% confidence interval that has a length at most of 1.0? Include your solutions. 47.9 48.6 48.0 48.1 43.0 43.2 47.9 48.8 47.5 48.0 42.9 43.6 48.6 48.1 48.6 48.3 43.6 43.2 48.0 48.3 48.0 43.2 43.3 43.5 48.4 47.2 47.9 43.0 43.0 43.0 48.1 48.9 48.3 43.5 42.8 48.0 48.6 48.5 43.1 43.1 a. Confidence interval cannot be determined as o is unknown. But because the sample size is large, we could use the sample standard deviation as a point estimate of o. Increasing the sample size while keeping the standard deviation constant will decrease the interval length O b. 45.41 s & s46.97. Sample size need to be increased to 96 viscosity measurements to ensure 95% confidence interval length at most 1.0 O. NONE Od. 45.41 s u S 46.97. Sample size need to be increased to 97 viscosity measurements to ensure 95% confidence interval length at most 1.0
Transcribed Image Text:The following data are the viscosity measurements for a chemical product observed every 5 minutes. Construct a 95% confidence interval on the population mean u. How many viscosity measurements are needed to ensure 95% confidence interval that has a length at most of 1.0? Include your solutions. 47.9 48.6 48.0 48.1 43.0 43.2 47.9 48.8 47.5 48.0 42.9 43.6 48.6 48.1 48.6 48.3 43.6 43.2 48.0 48.3 48.0 43.2 43.3 43.5 48.4 47.2 47.9 43.0 43.0 43.0 48.1 48.9 48.3 43.5 42.8 48.0 48.6 48.5 43.1 43.1 a. Confidence interval cannot be determined as o is unknown. But because the sample size is large, we could use the sample standard deviation as a point estimate of o. Increasing the sample size while keeping the standard deviation constant will decrease the interval length O b. 45.41 s & s46.97. Sample size need to be increased to 96 viscosity measurements to ensure 95% confidence interval length at most 1.0 O. NONE Od. 45.41 s u S 46.97. Sample size need to be increased to 97 viscosity measurements to ensure 95% confidence interval length at most 1.0
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