Question

The Number Of Science and Mathematics Project Submitted by Model High School Nandpur in Last 20 year at The State Level Science Exibitoin is​

Answer 1

Question

The Number Of Science and Mathematics Project Submitted by Model High School Nandpur in Last 20 year at The State Level Science Exibitoin is

From : NCERT

Note : The Frequency Table Of The Data Is Follows :

Solution :

Number of Projects ( xi )

1, 2, 3, 4, and 5.

Frequency ( fi )

3, 6, 6, 3, 2 and N = 20

fi xi

1 × 3 = 3

2 × 6 = 12

3 × 6 = 18

4 × 3 = 12

5 × 2 = 10

$\sum f _ { i} x _ { i } = \\ { \boxed{ \tt{55}}}$

Answer 2

Answer:

answer =

Step-by-step explanation:

:-mean ..... = ....€fixi...

X N

= 55

............

20

= 2.75

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