Question

1
Find the average of these numbers.
a 15, 14, 21, 30
b 15, 8, 14, 6, 12
c 124 cm, 137 cm, 114 cm, 125 cm d 20 minutes, 15 minutes, 13 minutes, 12 minutes
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Answer 1

Answer:

a)20

b) 11

c)125

d)15

Step-by-step explanation:

$sum \: of \: no \div no \: \: of \: numbers \: is \: the \: formula$

Answer 2

Answer:

a) =20, b) =11,. c) =125,. d) = 15

Step-by-step explanation:

a ) average = sum of all observation / total no. of observation.

15+14+21+30/4

=80/4= 20

b) 15+8+14+6+12/5

= 55/5 = 11

c) 124+137+114+125/4

= 500/4= 125

d) 20+15+13+12/4

=60/4 = 15

hope it helps you