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Statistics

Statistics deals with collecting, organizing, and interpreting numerical data. An important aspect of statistics is the analysis of population characteristics inferred from sampling.

36,755 Questions

How do you write a 3 digit number in standard?

easy u just write it how the number ie

Example: number 158 standard form 158

its basically the same way u write the regular number

How do you find the minimum or maximum of a function and example?

It depends on the function.

Some functions, for example any polynomial of odd order, will have no maximum or minimum.

Some functions, such as the sine or cosine functions, will have an infinite number of maxima and minima.

If a function is differentiable then a turning point can be found by finding the zero of its derivative. This could be a maximum, minimum or a point of inflexion. If the derivative before this zero is negative and after the zero is positive then the point is a minimum. If it goes from positive to negative, the pont is a maximum, and if it has the same sign (either both +ve or both -ve) then it is a point of inflexion. A second derivative can help answer this quicker, but it need not exist.

These are all well behaved functions. The task is much more complicated for ill behaved functions. Consider, for example, the difference between consecutive primes. The minimum is clearly 1 (between 2 and 3) but the maximum? Or the number of digits between 1 and 4 in the decimal expansio of pi = 3.14159.... Minimum digit between = 0 (they are consecutive near the start of pi), but maximum?

What does the measure of central trendency tell us about the data?

In general when you take a sample of values of a random variable you will find that those values lie around some central value that is characteristic of the total population for the random variable. A measure of central tendancy (such as a sample mean, sample mode or sample median) is a statistic which is intended to estimate the central value of the population using the values in the sample in some way.

What math term starts with the letter o?

Obtuse, octagon, odd number, one and oval are math terms. They begin with the letter o.

What is the greatest common factors for twelve and fifteen?

if they have no obvious common factors (such as 3!!!!!!!) then you multiply them to get the GCF.

What are the multiples of 4 - 100?

4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100

Choose the number that is 1 of 4 of 1of2 of 1of5 of 200?

1/4 of 1/2 of 1/5 of 200 = 1/4 of 1/2 of 200/5 = 1/4 of 1/2 of 40

= 1/4 of 40/2 = 1/4 of 20 = 20/4 = 5

What does mean median mode mean?

Mean is when you add up all the numbers then divide them by how many numbers you added up. Median is when you put the numbers in order and find out what the middle number is. Mode is the most comon used number in that set.