In a Statistic Class,10 Scores Were Randomly Selected with the Following

question 6

Multiple Choice

In a statistic class,10 scores were randomly selected with the following results were obtained: 74,73,77,77,71,68,65,77,67,66 What is the 65^th percentile?

• A)65.9
• B)67.3
• C)66.75
• D)73.85
• E)77.0

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Definitions:

Confound

In an experiment, what occurs when two or more variables exert their influence at the same time, making it impossible to accurately establish the causal role of either variable.

Independent Variables

Factors in an experiment that are manipulated or changed by the researcher to observe their effects on dependent variables.

Dependent Variable

In research, the variable that is being measured or tested to see how it is influenced by changes in another variable (the independent variable).

Correlation Coefficients

Statistical measures that describe the size and direction of a relationship between two or more variables.