MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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- Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean, based on the following sample size of n= 5. 1, 2, 3, 4, and 19 D Change the number 19 to 5 and recalculate the confidence interval. Using these results, describe the effect of an outlier (that is, an extreme value) on the confidence interval. Find a 95% confidence interval for the population mean, using the formula or calculator. sus (Round to two decimal places as needed.) Change the number 19 to 5. Find a 95% confidence interval for the population mean, using the formula or calculator. sus (Round to two decimal places as needed.) What is the effect of an outlier on the confidence interval? O A. The presence of an outlier in the original data increases the value of the sample mean and greatly decreases the sample standard deviation, narrowing the confidence interval. B. The presence of an outlier in the original data decreases the value of the sample mean and greatly…arrow_forwardAssume that a sample is used to estimate a population proportion p. Find the margin of error M.E. that corresponds to a sample of size 353 with 148 successes at a confidence level of 98%.M.E. = ______%arrow_forwardUse the given confidence interval to find the margin of error and the sample proportion. (0.618,0.646) E=nothing (Type an integer or a decimal.) p=nothing (Type an integer or a decimal.)arrow_forward
- Use the given confidence interval to find the margin of error and the sample proportion. (0.775,0.799) E= (Type an integer or a decimal.)arrow_forwardUse the given confidence interval to find the margin of error and the sample proportion. (0.640,0.670) E= (Type an integer or a decimal.)arrow_forwardUse the given confidence interval to find the margin of error and the sample proportion. (0.675,0.703) E= (Type an integer or a decimal.) p= (Type an integer or a decimal.)arrow_forward
- Use the given confidence interval to find the margin of error and the sample proportion. (0.729,0.755) E=enter your response here (Type an integer or a decimal.)arrow_forwardUse the given confidence interval to find the margin of error and the sample proportion. (0.774,0.800) E = (Type an integer or a decimal.)arrow_forwardUse the given confidence interval to find the margin of error and the sample proportion. (0.591,0.621) E= (Type an integer or a decimal.) p=(Type an integer or a decimal.)arrow_forward
- Use the given confidence interval to find the margin of error and the sample proportion. (0.787,0.811) (Type an integer or a decimal.) p= (Type an integer or a decimal.) E=arrow_forwardUse the given degree of confidence and sample data to construct a confidence interval for the population proportion p.When 316 third graders are randomly selected and surveyed, it is found that 112 own a cell phone. Find a 99% confidence interval for the true proportion of all third graders who own a cell phone.arrow_forwardUse the given confidence interval to find the margin of error and the sample proportion. (0.740,0.766) E=enter your response here (Type an integer or a decimal.)arrow_forward
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