Answer: Standard deviation is 11.6
Step-by-step explanation:
Sample mean 52/4=13
X. X---x(bar). X---x(bar)^2
0. 0--13=-13. -13^2=169
14. 14--13=1. 1^2=1
28. 28--13=15. 15^2=225
10. 10--13=--3. --3^2=9
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52. 404
Standard deviation=√404/3=11.6
Answer:
8 × 7
Step-by-step explanation:
(4 × 2) × 7
We can multiply what is inside the parentheses
(8) × 7
Absolute value is always positive because its talking about the real distance or steps to zero and even when you at a negative number it takes real steps to get back to zero.
