In a school ‚24 student absent today .If 726 students are present �

1.	In a school ‚24 student absent today .If 726 students are present ‚then find the total number of students in the school.
Answer» 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.

In a school ‚24 student absent today .If 726 students are present ‚then find the total number of students in the school.

Answer»

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 (

Σf

Σfx

120

423

=3.525

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

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In a school ‚24 student absent today .If 726 students are present ‚then find the total number of students in the school.​

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

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In a school ‚24 student absent today .If 726 students are present ‚then find the total number of students in the school.