Part 1: Data Open the data provided. The data includes information on all of the

Question

Part 1: Data Open the data provided. The data includes information on all of the US Presidents. Variable Label Name Party Affiliation State of Birth Term Age at Inauguration Percent of Popular Vote Percent Winning Margin Popular Vote Winner Height Measured In Name Name Name Years Years Numerical percent Numerical percent Name Inches ask 2: Determine the level of measurement for each of the variable Variable Label Name Party Affiliation State of Birth Term Age at Inauguration Percent of Popular Vote Percent Winning Margin Popular Vote Winner Height Level of Measurement Explanation

Explanation / Answer

There are basically four levels of measurement -

Nominal - are labeling variables (finite number of labels) and no ordering. For e.g Male, Female

Ordinal - variables which can be ordered. For e.g. Name

Interval - variables which can be ordered and for which we can measure the difference and the difference have meaning. For e.g. Age

Ratio - variables which which can be ordered, difference have meaning and there is always an absolute zero. For e.g. Score

The answers are

Variable Level Level of Measurement Explanation Name Ordinal Name can be ordered alphabetically Party Affiliation Nominal Finite number of parties and they cannot be ordered State of Birth Nominal Although States can be ordered alphabetically, but in present context state of birth are from the list of 50 US States. Term Interval Absolute 0 is not defined for Term Age at Inauguration Interval Absolute 0 is not defined for Age Percent of Popular Vote Ratio Absolute 0 is defined and difference can be taken for Percent of Popular Vote Percent Winning Margin Ratio Absolute 0 is defined and difference can be taken for Percent Winning Margin Popular Vote Winner Ordinal Name can be ordered alphabetically Height Interval Absolute 0 is not defined for Height

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