A Researcher Wants to Determine the Sample Size Necessary to Adequately

Multiple Choice

A researcher wants to determine the sample size necessary to adequately conduct a study to estimate the population mean to within 5 points.The range of population values is 80 and the researcher plans to use a 90% level of confidence.The sample size should be at least _______.

A) 44
B) 62
C) 216
D) 692
E) 700