SOLUTION: how do you work out this formula? The following data are exam grades of 10 students in a maths class. If students who received at least 85% on this exam received a "maths star",wh

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Question 854703: how do you work out this formula?
The following data are exam grades of 10 students in a maths class. If students who received at least 85% on this exam received a "maths star",what percentage of the students received a "maths star".
Interval Frequency
69-76 1
77-84 4
85-92 4
93-100 1

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Interval Frequency
69-76 1
77-84 4
85-92 4
93-100 1
5/10 0r 50% received ≥ 85 on exam and received a "maths star",
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