At a high school with over 500 students, a counselor wants to estimate the mean number of hours per week that students at the school spend in community service activities. The counselor will survey 20 students in the Environmental Club at the school. The mean number of hours for the 20 students will be used to estimate the population mean. Which of the following conditions for inference have not been met? I. The data are collected using a random sampling method. II. The sample size is large enough to assume normality of the distribution of sample means. II. The sample size is less than 10 percent of the population size. A I only B II only III only D I and II only I II, and III
At a high school with over 500 students, a counselor wants to estimate the mean number of hours per week that students at the school spend in community service activities. The counselor will survey 20 students in the Environmental Club at the school. The mean number of hours for the 20 students will be used to estimate the population mean. Which of the following conditions for inference have not been met? I. The data are collected using a random sampling method. II. The sample size is large enough to assume normality of the distribution of sample means. II. The sample size is less than 10 percent of the population size. A I only B II only III only D I and II only I II, and III
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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