Answer:
mean = 0
Step-by-step explanation:
-3 -2 -1
0
1
2
3
if your set is -3, -2, -1, 0, 1, 2, 3 the your mean = 0
105 centimeters ESTIMATED to inches is 41 inches but if you were not estimating then it would be 41.3386
The areas of the square pyramid are the amount of space on it
- The lateral surface area is 307.2 square cm
- The total surface area is 451.2 square cm
<h3>How to determine the lateral surface area?</h3>
The given parameters are:
Base (b) = 12 cm
Slant height (l) = 12.8 cm
The lateral surface area is calculated using:
L = 2bl
So, we have:
L = 2 * 12 * 12.8
Evaluate the product
L = 307.2
<h3>How to determine the total surface area?</h3>
This is calculated using:
T = L + b^2
So, we have:
T = 307.2 + 12^2
Evaluate
T = 451.2
Hence, the total surface area is 451.2 square cm
Read more about areas at:
brainly.com/question/24487155
Answer:
d. always zero.
Step-by-step explanation:
A least squares regression line is a standard technique in regression analysis used to make the vertical distance obtained from the data points running to the regression line to become very minimal or as small as possible.
For a least squares regression line, the sum of the residuals is always zero.
Basically, residuals are used to measure or determine whether or not the line of regression is a good fit or match for the data by subtracting the difference between them i.e the predicted y value and the actual y value, for the x value respectively.
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