A teacher records the marks scored by 30 students in an English test.
Mark Frequency
1−5...
Mathematics, 24.02.2021 23:20 cityglamevents
A teacher records the marks scored by 30 students in an English test.
Mark Frequency
1−5 1
6−10 4
11−15 6
16−20 6
21−25 8
26−30 5
a Calculate an estimate of the mean score.
Give your answer to 1 decimal place.
Answers: 3
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