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3) The table shows the scores in a quiz for 50 students.
Quiz score
6
7
8.
9
10
Frequency
9
12 11 10
8.
Find the mean score.

3 The Table Shows The Scores In A Quiz For 50 Students Quiz Score 6 7 8 9 10 Frequency 9 12 11 10 8 Find The Mean Score class=

Răspuns :

Răspuns:

7,92

Explicație pas cu pas:

Mp=(6×9+7×12+8×11+9×10+10×8):(9+12+11+10+8)

=(54+84+88+90+80):50=

=396:50=

=7,92

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