Identify the correct scale of measurement for each variable. A. continuous, B. N
ID: 3320099 • Letter: I
Question
Identify the correct scale of measurement for each variable. A. continuous, B. Nominal, C. Ordinal
number of children
Air Quality Index (a scale that ranges from 0 to 500)
Received the influenza vaccine.
Number of steps per day
Branch of military (Army, Navy, etc)
Number of combat tours (0, 1, 2, 3, 4 or more
- A. B. C.number of children
- A. B. C.Air Quality Index (a scale that ranges from 0 to 500)
- A. B. C.Received the influenza vaccine.
- A. B. C.Number of steps per day
- A. B. C.Branch of military (Army, Navy, etc)
- A. B. C.Number of combat tours (0, 1, 2, 3, 4 or more
Explanation / Answer
Here' the answer to the question :
1.No. of childern - nominal.
It cannot be continous, as it can't take fractions. Ordinal is not the answer as there is no ranking. Answer is B.
2. Air Quality index is not in decimals/fractions ( not A), not nominal ( neither label or categorical). It is basically
ranking of air quality, hence, ORDINAL. Answer is C.
3. This is a binary variable - received or not received vaccine - 1 or 0. Hence, is categorical variable. Answer is B
4. No. of steps per day is integer, can't be continous i.e. can't be 45.5 steps per day ever. Not A. It is Nominal. Answer is B
5. Branch of Miliary is categorical i.e. B. Nominal variable
6. No. of Combat tours is also nominal, as there is no ranking ( not C) nor is ther any fractions/decimals ( not A). Answer is B