B. Determine the sample size, given the following data: (s- sample standarddeyil1.s=5,2. s = 7,3. s = 4,E = 2.45,E = 3.65,E = 2.76,E = 2.22,E = 1.03,confidence level: 95%confidence level: 98%confidence level: 99%confidence level: 95%confidence level: 99%4. s= 8,5. s= 3.3,C. Solve the following problem.You want to estimate the mean gasoline price withinyour town to the margin of error of 5 centavos. Localnewspaper reports the standard deviation for gasprice in the area is 25 centavos. What sample size isneeded to estimate the mean gas prices at 95%confidence level?

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Answered: B. Determine the sample size, given the…

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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Directions: 1. Answer the following items. 2. Find the appropriate sample size given the confidence level, standard deviation, and margin of error. 3. Round off to the nearest whole number. 4. Just write the number, no other symbols or variables, no spacing or comma. Problem: E = 1 minute, s = 15 minutes, 95% confidence leve
(in hours): 7, 6, 7, 8.5, 8, 9, 6.5 a. Find the mean, median, mode and standard deviation for their hours of sleep. b. Create a 99% confidence interval for the mean amount of hours they slept.
Directions: 1. Answer the following items. 2. Find the appropriate sample size given the confidence level, standard deviation, and margin of error. 3. Round off to the nearest whole number. 4. Just write the number, no other symbols or variables, no spacing or comma. Problem: E = 0.36 kg, s = 20 kg, 95% confidence level
When forming a confidence interval for matched-pair data the point estimate is the Select one: O A. standard deviation of the differences. OB. differences of the standard deviations. O C. mean of the differences. O D. difference of the means.
Use the given to find the minimum sample size required to estimate a population proportion or percentage. Margin of error :0.09, confidence level 95%; p and Q unknown
We would like to create a confidence interval for the mean. Which of the following would produce the smallest margin of error? Select one: a.A 95% confidence level and a sample size of 150 subjects b. A 99% confidence level and a sample size of 600 subjects. c. A 99% confidence level and a sample size of 150 subjects. d.A 95% confidence level and a sample size of 600 subjects.
Consider a sample with data values of 57,45,50,39,50,59,60, and 48. Compute the following values a. Mode b. 40th percentile c. Variance d. Standard deviation e. Coefficient of variation
A sample of students in a university café was asked the following questions. Identify the type of data for each question. c. Do you have children under the age of 10 living in your house?d. Indicate your level of satisfaction with the food quality (very satisfied; moderately satisfied; neutral; moderately dissatisfied; very dissatisfied).
Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: 0.04; confidence level 90%; p and q unknown n = O (Round up to the nearest integer.)
Compare the following two sample data sets: A: 5,4,6,3,6,7A: 5,4,6,3,6,7 B: 6,5,7,6,1,8B: 6,5,7,6,1,8 Which data set has the greater sample standard deviation, and which data set has the greater range? Use the calculator if needed. Select the answer that is completely correct. The sample standard deviation of set B is greater. The range of set A is greater. The sample standard deviation of set A is greater. The range of set B is greater. The sample standard deviation of set A is greater. The range of set A is greater. The sample standard deviation of set B is greater. The range of set B is greater.

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B. Determine the sample size, given the following data: (s sample standard. de 1. s= 5, E = 2.45, E = 3.65, confidence level: 95% confidence level: 98% 2. s= 7,