Answer:
Step-by-step explanation:
Given
Sample of 12 measurements has a mean of 16.5 and
a sample of 15 measurements has a mean of 18.6
Take be the mean and no of measurements
and be the mean and no of measurements in second case
Similarly,
Mean of 27 measurements
Answer:
Step-by-step explanation:
3
Answer:
(-1,-2)?
Step-by-step explanation:
Answer:
(6.5, -7.5)
Step-by-step explanation:
Use the midpoint formula (x1 + x2) / 2 , (y1 + y2) / 2
Plug in the points:
(-3 + 16) / 2 , (-5 - 10) / 2
13/2 , -15/2
6.5, -7.5
So, the coordinates of midpoint M are (6.5, -7.5)