What measure of central tendency is calculated by adding all the values and dividing the sum by the number of values?
The mean of four numbers is 71.5. If three of the numbers are 58, 76, and 88, what is the value of the fourth number?

part a

in a city ice cream is mostly only bought when the temperature is very high as ice cream cools down our

so we can derive the conclusion that as the temperature increases the number of ice creams sold also increases

part b

y intercept is 5

slope is 2

happy to

pls mark as brainliest

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

47 - 90 = 43

43 - 180 = x

x = 137