The Sample Size Needed to Estimate a Population Mean Within

question 134

Multiple Choice

The sample size needed to estimate a population mean within 2 units with a 95% confidence when the population standard deviation equals 8 is

• A)62
• B)61
• C)8
• D)None of these choices.

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Definitions:

Lactic Acid

A chemical compound produced in the muscles during intense physical activity and responsible for the sensation of muscle soreness.

Multiple Logistic Regression

A statistical technique used to model the probability of a certain class or event existing such as pass/fail, win/lose, alive/dead, based on multiple independent variables.

Explanatory Variables

Variables in a statistical model that are manipulated or chosen to determine their effect on the response variables of interest.

Logistic Regression

A statistical method for predicting binary outcomes by modeling the probability of a variable based on its logarithm.