For a population: a. with a standard deviation of σ= 15, how large a sample would be needed to have a standard error of 7 points? (This is a sample of people, so round to whole numbers.) b. with a standard deviation of σ = 32, how large a sample would be needed to have a standard error of 7 points? (This is a sample of people, so round to whole numbers.)

For a population: a. with a standard deviation of σ= 15, how large a sample would be needed to have a standard error of 7 points? (This is a sample of people, so round to whole numbers.) b. with a standard deviation of σ = 32, how large a sample would be needed to have a standard error of 7 points? (This is a sample of people, so round to whole numbers.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

For a population:

a. with a standard deviation of σ= 15, how large a sample would be needed to have a standard error of 7 points? (This is a sample of people, so round to whole numbers.)

b. with a standard deviation of σ = 32, how large a sample would be needed to have a standard error of 7 points? (This is a sample of people, so round to whole numbers.)

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