Provide an Appropriate Response $a$ And $d$ C) A, B, C, D
D) A, B, D

question 72

Multiple Choice

Provide an appropriate response.
-Which of the variables below do you think will be roughly normally distributed?
a. Weights of 10 year old boys
b. Incomes of 40 year old adults
c. The numbers that show up when you roll a balanced die
d. The amount of coffee which a filling machine puts into " 4 ounce jars"

• A)a only
• B) \(a\) and \(d\)
• C) a, b, c, d
• D) a, b, d

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Definitions:

Analytic Comparisons

Comparisons made using analytical methods to understand differences or similarities between groups or variables.

Planned Comparisons

Comparisons built into a research design prior to data collection.

F-ratio

A ratio used in ANOVA tests to determine whether the variances between means are significantly different.

T-test

A statistical test used to compare the means of two groups to determine if there is a significant difference between them.