Answer:
Average = -1°C
Step-by-step explanation:
The data recorded is;
6, -7, -5, 5, -8, 3 (in °C)
Average = = -1°C
Average temperature listed will be (-1).
As we know average of any given set of numbers is =
Now the given set of temperatures is 6, -7, -5, 5, -8, 3
Now Sum of all numbers = 6 + (-7) + (-5) + 5 + (-8) + 3
= (-6)
Total numbers = 6
Now average temperature will be =
Therefore, average temperature listed will be (-1).
Option D
Collect all like terms and Calculate
-10x-7x= -17x
20-54= -34
Divide
-17x < -34
x>2
Mean height of 159
Add 153 and 165, then divide by 2 to find the average of 159.