Using χ² with proportions instead of counts is
- A
Acceptable
- B
Better
- C
Same as t test
- Dcheck_circle
Incorrect; χ² requires raw counts
Explanation
Proportions hide the sample-size information needed by χ².
AP Statistics· difficulty 4/5
Using χ² with proportions instead of counts is
Acceptable
Better
Same as t test
Incorrect; χ² requires raw counts
Explanation
Proportions hide the sample-size information needed by χ².
Want 10 more like this — adaptive to your weak spots?