Which Statistical Technique Is Appropriate When We Compare Two or More

question 41

Multiple Choice

Which statistical technique is appropriate when we compare two or more populations of qualitative data with two or more categories?

• A)The z-test of the difference between two proportions.
• B) The chi-squared test of a contingency table.
• C)The chi-squared goodness-of-fit test.
• D) Both a and

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Definitions:

Distribution

In statistics, it refers to the way in which data or values are spread out or distributed across a range of possibilities.

Z Score

A statistical measure illustrating the relation of a value to the mean of its group by detailing it in standard deviations from the mean.

Extreme

Relating to values that are farthest from the mean or median in a data set, often considered outliers.

Z Score

A calculation used to express the difference of a particular value from a group's mean, in terms of how many standard deviations away it is.