A Set of Scores Has the Following Distribution $\begin{array}{rr}\underline{\boldsymbol{X}} & \underline{f}\\{12}&{1} \\11 & 3 \\10 & 2 \\9 & 2 \\8 & 1\end{array}$

question 59

Essay

A set of scores has the following distribution:
$\begin{array}{rr}\underline{\boldsymbol{X}} & \underline{f}\\{12}&{1} \\11 & 3 \\10 & 2 \\9 & 2 \\8 & 1\end{array}$ a. What is N?
b. What is the cumulative frequency of a score of 10?
c. What is the percentile rank of a score of 11?
d. What is the relative frequency of a score of 9?

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Definitions:

Dependent Variable

In scientific research, the variable being tested and measured, which is expected to change as a result of manipulations to the independent variable.

Cause and Effect

The relationship between an event (the cause) that leads to another event (the effect), establishing a connection where one is the result of the other.

Experiment

A research method involving the manipulation of one variable to determine its effect on another variable, under controlled conditions.

Headache

A pain or discomfort in the head, scalp, or neck, often associated with tension, migraine, or other health issues.