Which describes the standard deviation?
2 answers:
Answer:
The correct option is:
Option: A
A. a form of measurement of the average difference between sample values and the sample mean
Step-by-step explanation:
We know that:
The Standard Deviation is a measure of how spread out numbers are.
It is represented by the symbol sigma 'σ '
It is calculated as:
- Firstly estimating the mean of the data.
- Then calculating the deviation of the data points.
- Squaring the deviations.
- calculating the mean of the above quantities which is also known as variance.
- Taking square root of the variance.
Hence, the correct option is:
Option: A.
The correct answer would be A
You might be interested in
Answer:
Step-by-step explanation:
5/8 = 15/24 times 4 2.5 an hour
2/3 = 16/24 times 5 3 an hour
Machine B has the greater rate
2 + 4 (c + 7)
2 + 4c + 28
combine liked terms
4c + 30
Answer:
B) 30 + 4c
Answer:
15ft
Step-by-step explanation:
If you redraw it and use a ruler it will be 15 feet.
Answer:
Step-by-step explanation:
both sides are the same length so 20+6x+3=18+7x+2
all you have to do is get the variables and non-variables on opposite sides of the equation so 3=x