Answer: The standard deviation formula may look confusing, but it will make sense after we break it down. ...
Step 1: Find the mean.
Step 2: For each data point, find the square of its distance to the mean.
Step 3: Sum the values from Step 2.
Step 4: Divide by the number of data points.
Step 5: Take the square root.
Step-by-step explanation:
Answer:
23 inches
Step-by-step explanation:
assuming that the desktop screen is a rectangle, then it's diagonal will form two right triangles.
by the Pythagorean theorem

then

To find the volume, just multiply width by height and then by length.
17 * 15.6 * 8 = 2121.6 inches^3
1. The answer is B (4, -1)
2. The answer is B (-2, 5)