In new york state, sales tax rates vary by county. In Allegany county, the sales tax rate is 8.5%. A book costs $12.95 and a vid
1 answer:
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Answer:
The mean absolute deviation of this data is
.
Step-by-step explanation:
The mean absolute deviation (MAD) of a dataset is the average distance between each data point and the mean. It gives us an idea about the variability in a dataset.
The steps to find the MAD include:
- find the mean (average)
- find the difference between each data value and the mean
- take the absolute value of each difference
- find the mean (average) of these differences
To find the mean absolute deviation of this data you must
Step 1: Calculate the mean.
Step 2: Calculate the distance between each data point and the mean and take the absolute value of each difference .
Step 3: Add the distances together.
Step 4: Divide the sum by the number of data points.
Answer:
rate of change = 3
Step-by-step explanation:
to find the rate of change
(0,-4) (1,-1)
=
= 3