Use a fraction calculator 16/32
Answer:
c. Three fourths of the data is greater than 65.
Step-by-step explanation:
- A. is right, half of the data does lie between 53 and 74.
- B. is right, when calculated, the range is 57.
- C. is wrong.
- D. is right, the median of the lower half of the data is 53.
- I've attached a helpful image of box-and-whisker plots!
Well, f 80% is 60 marks, you'll need 20% more to make it full, so it would be 15 more marks, which would be 75 total marks = 100% =)
I hope I helped! =D