- CFA Exams
- 2021 CFA Level I Exam
- Study Session 2. Quantitative Methods (1)
- Reading 7. Statistical Concepts and Market Returns
- Subject 2. Measurement Scales
CFA Practice Question
A student's score on the ACT test would be what level of measurement?
B. interval
C. ratio
A. ordinal
B. interval
C. ratio
Correct Answer: B
User Contributed Comments 15
User | Comment |
---|---|
yanpz | What is a ACT test? |
limpus | Being from Australia, I am unsure what the ACT Test is, however, with a normal test there is a true zero point. Hence this would make it Ratio. |
faith | the ACT test give scores in percentiles so it is more likely to be interval |
Guerra | How do foreingners should know that? I believe it´s ratio once you have the score and the number of questions. |
ramborob | The score is INTERVAL as you have nothing to compare it with, you can simply compare it with the scoring range. If it was a sample of students scores, it would be a RATIO. |
RichWang | ACT score ranges from 1 (low) to 36 (high). http://www.actstudent.org/scores/understand/index.html So it is not ratio. |
madhi | It's not a RATIO since you can't get a ZERO on a SAT exam |
studyprep | you dont need to know about the nature of the test. use your mind. many thousands write the test. it is impossible (or should i say worthless) to declare each and every individual students score with their student ids. Also how would you find the rank you would have compare to others. Remember short form for ratio.. Ratios are used (mostly) when you can easily (using your bare mind) compare each category score with the rest of the sample or the small population. |
MFTIOA | ^ what if they are not ranked? what if it's based on 4 total problems, if I got all 4 right I did twice as well as someone who got 2 questions right... |
riouxcf | MFTIOA you are correct, but this is the ACT. And the scores are based on a scale of 1-30... not on the number of questions correct. You cannot say someone with a 30 did twice as well as someone with a 15. |
8thlegend | Dont you get like free 200 points for just writing your name down in ACT? making it impossible to to get a zero? unless you misspell your name. |
laotching | the difference between a 22 and a 20 is not the same as the difference between a 12 and a 10. this is because the ACT uses "scaled scores," basically converting raw questions correct/incorrect into a metric that can be compared between different years and the incidental difference biases. |
VikramJ | I answered Ordinal, knowing that the test is standardized/scaled like laotching said. Without an equal difference between each number, it can't be Interval... |
hmichta | Stupid question when you don't know what an ACT test is imho... |
ybavly | I agree with laotching and VikramJ The correct answer should be ordinal However, you do need to know what the ACT is... (which I do even though I am from Canada ;) |