Answer:
The median stays the same, whilst the mean drops.
Step-by-step explanation:
Answer:
20.875
Step-by-step explanation:
18+24+17+21+24+16+29+18=167/8=20.875
Answer:

Step-by-step explanation:
So we have the expression:

And we want to evaluate it for x=-2.
So, substitute -2 for x:

Multiply:

Subtract:

The absolute value of a negative is positive. So:

And we're done!
Divide total km by the km in the scale:
112 / 16 = 7
The answer is A. 7 cm