In DrDalbey's Study,women Missed an Average of Three Work Days a a Year

question 35

Multiple Choice

In Dr.Dalbey's study,women missed an average of three work days a year because of colds,and men missed an average of five work days because of colds.To see if the difference between these means is statistically significant,Dr.Dalbey should ____.

• A) calculate a set of medians
• B) calculate a correlation coefficient
• C) conduct a t test
• D) utilize factor analytic techniques

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Definitions:

Test Power

The probability that a statistical test will reject a false null hypothesis, a measure of a test’s effectiveness.

Sample Size

The number of observations or units included in a sample, which can influence the reliability and validity of statistical results.

Type II Error

An error resulting from failing to reject an incorrect null hypothesis.

Sample Size

The number of observations or elements chosen from a population for the purpose of statistical analysis.