Exhibit 14-1

question 109

Multiple Choice

Exhibit 14-1.Over the past 30 years,the sample standard deviations of the rates of return for stock X and Stock Y were 0.20 and 0.12,respectively.The sample covariance between the returns of X and Y is 0.0096. Refer to Exhibit 14-1.In order to determine whether the correlation coefficient is significantly different from zero,the appropriate hypotheses are:

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Definitions:

Groups

Collections of individuals or items classified or categorized together based on common characteristics or criteria.

One-way ANOVA

A statistical test used to compare the means of three or more independent groups on a single factor to determine if there is a significant difference among them.

F-ratio

A statistic used in ANOVA tests, calculated by dividing the variance between groups by the variance within groups.

Critical Value

A threshold in hypothesis testing, above or below which the null hypothesis is rejected, often associated with a specific significance level.