Question

The data about the students absent in the month of June 2021 make frequency
distribution table from the details given below.
6 5 5 4 6 3 2 4 3 2 5 5 3 2 1 1 6 7 8 9 10 8 9 8 7 6 5 6​

Answer 1

Answer:

No. of students

absent (x) No. of days (f) fx

0 1 0

1 4 4

2 10 20

3 50 150

4 34 136

5 15 75

6 4 24

7 2 14

Σf=1+4+10+50+34+15+4+2

=120 Σfx=0+4+20+150+136+75+24+14

=423

Mean number of students absent per day (

x

ˉ

)=

Σf

Σfx

=

120

423

=3.525

Hence, the mean number of students absent per day is 3.525.

Step-by-step explanation:

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