I If There Is an Even Number of Ungrouped Values

question 76

Multiple Choice

i. If there is an even number of ungrouped values, then half of the values will be less than the median. ii. Extremely high or low scores do not affect the value of the median.
iii. There are always as many values above the mean as below it.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and, (ii) are correct statements but not (iii).
• C) (i) and, (iii) are correct statements but not (ii).
• D) (i) is a correct statement, but not (ii) or (iii).
• E) (i), (ii) and (iii) are all false statements.

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Definitions:

Correlation Coefficient

A numerical measure that describes the strength and direction of a relationship between two variables.

Independent Variable

The variable that is manipulated or changed in an experiment to see if it affects the outcome.

T-test

A statistical test used to compare the means of two groups and determine if they are statistically significantly different.

Correlation Coefficient

A statistical measure that describes the extent to which two variables change together, and the strength of their relationship.