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A fund manager wants to know if it is equally likely that the Dow Jones Industrial Average will go up each day of the week. For each day of the week, the fund manager observes the following number of days when the Dow Jones Industrial Average goes up. For the goodness-of-fit test, what are the degrees of freedom for the chi-squared test statistic?
Operational Definitions
These are specific descriptions of concepts involving how variables will be measured or manipulated in a study.
Variables
Elements, features, or factors that are likely to vary or change within the context of a study or experiment.
Precise Definitions
Clearly stated and exact explanations of terms or concepts that leave little room for ambiguity or misunderstanding.
Operational Definition
A statement of the procedures or ways in which a research variable is measured or defined in a specific study.
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