no it is not, it is called a sector? I think....
The circumference of a circle divided by its diameter is what
For a large enough sample, it will resemble a rectangle whose base will be the range of the variable and the height will be the reciprocal of the number (or width) of the base.
2 x pi x radius is used to calculate the circumference of the circle, when you know the radius. So, your sample problem should ask about some circle.
a random sample
In a statistical context this is usually called a sample.
sample, block, section
yes the size is 4444
The sample must have a high probability of representing the population.
interval
Observations.
The general term statistics might be the set of numbers representing some sort of information from a sample population. The term data set can also be applied.
data set
A fabric sample is called a "swatch".
The circumference of a circle divided by its diameter is what
A Sample
Statistics or data set
Data Set