The following are the last 10 run scores Colin got in cricket:
5, 31, 20, 1, 7, 8, 29, 27, 14, 35
a) Work out Colin's mean score.
b) Colin plays cricket again on Sunday. He gets 21 runs.
What is his new mean score?
Give your answers as decimals.

a.17.7

b.18

Step-by-step explanation:

To calculate the mean we will have to sum up the whole given value divided by the numbers

So let's solve

a. 5+31+20+1+7+8+29+27+14+35/10

177/10

17.7

Therefore the final answer is 17.7

b. Since another value is added

It will be

177+21/11

198/11

18

Therefore the final answer is 18

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.

it shoild be o

step-by-step explanation: