Question

In: Statistics and Probability

A group of students agreed to participate in a study. Students were first asked to state...

A group of students agreed to participate in a study. Students were first asked to state their age and then to perform a maximal vertical jump. Each participant was allowed 3 attempts. Jump heights from males and females were averaged separately.

1.Identify the three variables in the study.

2.Describe the type of scale related to each variable (i.e. nominal, ordinal, interval, ratio)

3. Use use your own characteristics or activities to describe examples of nominal, ordinal, interval, and ratio. Of those, which are categorical/discrete or continuous, and which are qualitative vs quantitative measures.

Solutions

Expert Solution

Three variables in the study:
(i) age

(ii) Jump height

(iii) Gender

(i) age - Interval

because, age = 0 is not possible

(ii) Jump height - Ratio

because Jump height = 0 is possible

(iii) Gender - Nominal

because Gender can take values: Male or Female

EXAMPLES OF NOMINAL, ORDINAL, INTERVAL AND RATIO

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Type of scale Example Categorical/dicrete or continous Qualitative vs quantitave

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Nominal Gender: Male/Female Categorical Qualitative

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Ordinal Feeling: Very unhappy, Categorical Qualitative

Unhappy, OK, Happy,

Very happy

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Interval Temperature Continuous Quantitative

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Ratio Number of tests you took Discrete Quantitative

in last Semester

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orchestra answered 2 years ago

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