Answer:
Mean = 1.9
Standard deviation = 0.6
Step-by-step explanation:
The Mean is calculate by the formula:

⇒ 
Thus Mean to the nearest tenth is 1.9
Standard Deviation is the square root of sum of square of the distance of observation from the mean.
where,
is mean of the distribution.
Putting all values in the formula, We get
Standard Deviation = 0.597 ≈ 0.6
A non-negative root of a number is called Square Root
Answer:
(x, y) = (18/5, 16/5)
OR
(x, y) = (3.6, 3.2)
If this talks about the diagonal of the flooring then it is 9m
Answer:
192
Step-by-step explanation:
The volume of a prism is 3 cubic units. Dividing each cube into 1/4 size cubes means each small cube will have 1/64 cubic inches.
This means 64 1/4 cubes fit into 1 cube. So for 3 cubes, 3*64 = 192 cubes.