Question
A random sample of 61 students was asked how much they spend for classroom textbooks this semester. The sample standard deviation was found to be
A random sample of 61 students was asked how much they spend for classroom textbooks this semester. The sample standard deviation was found to be s= $28.70. How many ore students should be included in the sample to be 99% confident that the sample mean amount spend for textbooks this semester is within $7.00 of the population mean amount spent for textbooks this semester at this college?
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Introductory Algebra Concepts And Graphs
Authors: Charles P McKeague
1st Edition
1630980110, 9781630980115
