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Author Question: A researcher records the weight of subjects in a study as: (1) normal for height. (2) overweight for ... (Read 74 times)

littleanan

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on: Jul 8, 2018
A researcher records the weight of subjects in a study as: (1) normal for height. (2) overweight for height. (3) underweight for height. A nominal level of measurement is used. Which of the following levels of measurement could also be used?
 
  a. Categorical
  b. Interval
  c. Ordinal
  d. Ratio

Question 2

When renewing a nursing license, nurses are asked to indicate their area of specialization. This datum is measured on which scale?
 
  a. Interval
  b. Nominal
  c. Ordinal
  d. Ratio


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bookworm410

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: C
The categories could also be rank ordered as (1) underweight, (2) normal, and (3) overweight.
Categorical is not a level of measurement.
Interval cannot be used because there are no numerical divisions.
This could not be ratio data because there is no true zero represented in the categories.

Answer to Question 2

ANS: B
Nominal-scale measurement is used when data can be organized into categories.
Interval scales have equal numeric divisions between groupings. The correct answer is nominal scale.
Ordinal scales are used when data can be ranked.
Ratio scales have a true zero.


littleanan

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Reply 2 on: Jul 8, 2018
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
:D TYSM

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