The mean temperature for the first 7 days in january was 8 °c. the temperature on the 8th day was -1 °c. what is the mean temperature for the first 8 days in january? me with this. 

6.875° C

the mean of a set of data is calculated using

mean =

For the first 7 days the mean is 8 and the count = 7

8 = ( cross- multiply )

sum = 8 × 7 = 56

Add on the temperature on the 8 th day to the sum and divide by 8 for mean

sum = 56 - 1 = 55

mean = = 6.875° C

oof cheaters cheat because they’re lazy that’s why i cheat xd

: )

step-by-step explanation: