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Concept explainers
A father rates his daughter as a 2 on a 7-point scale (from 1 to 7) of crankiness. In this example, (a) what is the variable, (b) what is the score, and(c) what is the
a.
![Check Mark](/static/check-mark.png)
Identify the variable.
Answer to Problem 1.1HD
The variable is level of crankiness.
Explanation of Solution
Variable:
A variable is a characteristic or a condition of the subject under study, which can take several values.
The characteristic under study is the level of crankiness of the daughter, as decided by the father.
b.
![Check Mark](/static/check-mark.png)
Identify the score.
Answer to Problem 1.1HD
The score is 2.
Explanation of Solution
The father provided a score of 2 on crankiness to his daughter. Thus, the score is 2.
c.
![Check Mark](/static/check-mark.png)
Identify the range of the variable.
Answer to Problem 1.1HD
The range of the variable is 1 to 7.
Explanation of Solution
The crankiness score may take values between 1 and 7, on a 7-point scale. The minimum possible value on the scale is 1 and the maximum possible value is 7. Thus, the range of the variable is 1 to 7.
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Chapter 1 Solutions
Statistics for Psychology
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