550-500 is not 500 it’s 50
Answer:
Mean = 151
MAD = 9.14
Step-by-step explanation:
Given the data:
135, 160, 145, 155, 170, 150, 142
Mean = Σx / n
Mean = 1057 / 7
Mean = 151
Mean absolute DEVIATION (MAD) : Σ(x - μ) / n
[(135-151) + (160-151) + (145-151) + (155-151) + (170-151) + (150-151) + (142-151)] / 7
Mean absolute deviation = 9.14
Answer:
56.52 inches
Step-by-step explanation:
The circumference of a circle can be found using:
We know the diameter is 18, and 
is being rounded to 3.14, so we can substitute them in.
c=3.14*18 <em>Multiply</em>
c=56.52
So, the circumference is 56.52 inches
