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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

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.
III. The sample size is less than 10 percent of the population size.
I only
A
Пonly
III only
I and II only
E
I, II, and III

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