For Each of the Following Variables in a Study, List

question 6

Essay

For each of the following variables in a study, list the one best measure of central tendency you can use to describe the data, and a graph to depict the distribution of values (pick any one if more than one can be used)?
a) SAT scores
b) race/ethnicity
c) number of hours studied in the past week
d) birth order
e) type of car owned

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Definitions:

Null Hypothesis

A statement used in hypothesis testing that indicates no significant difference or effect.

P-value

The probability of observing a statistic at least as extreme as the one observed, given that the null hypothesis is true.

Level of Significance

A threshold in hypothesis testing that determines the probability of rejecting a true null hypothesis, often denoted by alpha.

Mean Square

A statistical measure calculated by dividing the sum of squares by the degrees of freedom, often used in variance analysis.