Answer:
Step-by-step explanation:
48 + 14 / 2 = 31
Answer:
-75
Step-by-step explanation:
WIthdrew = Negative
-33 - 42 = -75
<span>The result is 2x^2 - 3x + 2 .</span>
Answer:
x+2
Step-by-step explanation:
The firs 3 observations are x, x+2, x+4
Mean = sum of data/samaple size
Mean = x+x+2+x+4/3
MEan = 3x+6/3
Mean = 3(x+2)/3
Mean = x+2
Hence the required mean is x+2