Exhibit 2-9

question 90

Multiple Choice

Exhibit 2-9.An analyst constructed the following frequency distribution on the monthly returns for 50 selected stocks: Refer to Exhibit 2-9.The number of stocks with returns of less than 10% is _____.

• A)8
• B)25
• C)33
• D)48

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Definitions:

Level of Significance

The threshold below which a result is considered statistically significant, often denoted by alpha (α), commonly set at 0.05 or 5%.

F Statistic

A value calculated during the analysis of variance (ANOVA) used to determine whether the means of three or more groups are different.

Research Hypotheses

Formal statements predicting a significant relationship or difference between two or more variables in a study.

Analysis of Variance

A statistical technique that compares the averages of three or more groups to determine if at least one significantly deviates from the rest.