each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific poss

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For each of the variables described below, indicate whether it is a quantitative or a categorical (qualitative) variable. Also, indicate the level of measurement for the variable: nominal, ordinal, interval, or ratio. Make sure your responses are the most specific possible.

 

Variable Type of variable Level of measurement
(a)Playing time (in seconds) of a DVD

Quantitative

or

Categorical?
Nominal?
Ordinal?
Interval?
Ratio?
(b)Color vision status (colorblind or not colorblind)

Quantitative

or

Categorical?
Nominal?
Ordinal?
Interval?
Ratio?
(c)Temperature (in degrees Celsius)

Quantitative

or

Categorical?
Nominal?
Ordinal?
Interval?
Ratio?
 
Expert Solution
Step 1

(a)

The continuous quantitative variable is the variable that is measured and can take on countably finite and infinite values. The time  (in seconds) of a DVD can be considered as a continuous random variable because the time can take any specific value between two finite variables, it cannot take only finite values.

The ratio level of measurement can be defined as the value of the difference between the two intervals or measurements in a similar group. The time  (in seconds) of a DVD can be considered as a ratio level of measurement.

Correct answers:

  • Quantitative, Ratio
 
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