The temperatures (in °F) in a city on randomly selected days during the summer are 89, 85, 90, 87, 86, 91, 88, and 89. What is the mean temperature? Round your answer to one decimal place
The mean temperature is:
(89 + 85 + 90 + 87 + 86 + 91 + 88 + 89) / 8 = 88.125
Rounding to one decimal place, the mean temperature is 88.1°F.