Chapter 6 Soomo Questions and Answers and the Chi-Square Quiz
6.1
A Chi-Squared te st can only be used for data measured on a nominal scale.
False
Why should researchers carefully consider using chi-square test for data that are measured on an
interval or ratio scale?
Nonparametric tests are more likely to result in Type II errors than parametric tests.
6.2
What are observed frequencies?
Observed frequencies are the counts of a particular phenomenon or entity in the actual
sample data.
What are expected frequencies?
Expected frequencies are a set of numbers that suggest what the observed frequencies
should be in the available categories if the null is correct.
In which case might a chi-squared goodness-of-fit test be a reasonable choice for a researcher?
When they want to determine whether a particular brand outsells others at a local retail
store.