If We Want to Use the Chi-Square Test to Test

question 55

Multiple Choice

If we want to use the chi-square test to test the difference between two proportions, we should

• A) convert the proportions to means.
• B) convert the proportions to frequencies.
• C) run a z test.
• D) either b or c

Recognize and compute quartiles and percentiles, understanding their role in data analysis.

Identify and calculate measures of dispersion, such as range, variance, and standard deviation.

Use Microsoft Excel 2010 for statistical calculations including mean, standard deviation, and mode.

Understand the distribution and representation of data in frequency distributions, histograms, and scatter plots.