Question

find the mean 5 6 17 8 9 15 23 18 10 24 if increased by 3​

Answer 1

Answer:

5 6 17 8 9 15 23 18 10 27

mark me as brainlist

Answer 2

Step-by-step explanation:

We know:

Mean =

Sum of observations

Number of observations

(i) The first eight natural numbers are 1, 2, 3, 4, 5, 6, 7 and 8.

Mean of these numbers:

1+2+3+4+5+6+7+8

8

=

36

8

=4.5

(ii) The first ten odd numbers are 1, 3, 5, 7, 9, 11, 13, 15, 17 and 19.

Mean of these numbers:

1+3+5+7+9+11+13+15+17+19

10

=

100

10

=10

(iii) The first seven multiples of 5 are 5, 10, 15, 20, 25, 30 and 35.

Mean of these numbers:

5+10+15+20+25+30+35

7

=

140

7

=20

(iv) The factors of 20 are 1, 2, 4, 5, 10 and 20.

Mean of these numbers:

1+2+4+5+10+20

6

=

42

6

=7

(v) The prime numbers between 50 and 80 are 53, 59, 61, 67, 71, 73 and 79.

Mean of these numbers:

53+59+61+67+71+73+79

7

=

463

7

=66.14