EM-1254
Collecting and tabulating data
E Math · Secondary 3 · Hard · Collecting and tabulating data
The masses, in kg, of 30 students are grouped into the following frequency table:
40 ≤ m < 45 : 6 students
45 ≤ m < 50 : 9 students
50 ≤ m < 55 : ? students
55 ≤ m < 60 : 5 students
60 ≤ m < 65 : 4 students
What is the missing frequency for the class 50 ≤ m < 55?
40 ≤ m < 45 : 6 students
45 ≤ m < 50 : 9 students
50 ≤ m < 55 : ? students
55 ≤ m < 60 : 5 students
60 ≤ m < 65 : 4 students
What is the missing frequency for the class 50 ≤ m < 55?
- 4
- 5
- 6
- 7
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