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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

Given the digits 0-9... how many ways can you form an even number without replacement of numbers?

one digit: 5 ways

two digits: 5 * 9 ways

three digits: 5 * 9 * 8 ways

four digits: 5 * 9 * 8 * 7 ways

...

ten digits: 5 * 9! ways

So if you have to use ten digits, then the answer is 5 * 9! = 1814400.

If you can use anywhere from one to ten digits, then the answer is:

5 * (9! + 8! + 7! + 6! + 5! + 4! + 3! + 2! + 1) = 2045565

What does annual median wage mean?

Well, wage is how much one earns. Annual wage means earnings in one year.

Saying MEDIAN annual wage would mean you are asking about a group of individuals. A median is defined as a number at the center position of a set of numbers. In other words, whatever that MEDIAN annual wage is, 50% of people would earn more than that number in a year, 50% would earn less.

What does orantorio mean?

Oratorio is defined as a large-scale musical work for orchestra and voices, typically a narrative on a religious theme, performed without the use of costumes, scenery, or action. Well-known examples include Bach's Christmas Oratorio, Handel's Messiah, and Haydn's The Creation.

How do you find the average of 3 set of numbers in a year?

Add all the numbers together. Then divide by how many numbers there were originally. That is the average.

How do you compute expected value from random discreet variable?

Follow these steps:

  • Find all the values that the random variable (RV) can take, x.
  • For each x, find the probability that the RV takes than value, p(x).
  • Multiply them: x*p(x).
  • Sum these over all possible values of x.

The above sum is the expected value of the RV, X.

What number combinations equal 1000?

That depends what you want to do with those numbers - add them, multiply them, etc.

Best way to remember mean median and mode?

Median:

Median is where you put all the numbers in order and then find the middle one.

Mode:

Mode is where you find the most common number.

Mean:

Mean is where you add all the numbers and share them by the amount of numbers you started with.

Range:

Range is where you find the difference between the biggest number and smallest.

I hope this helped x

What does kamalig means?

a large storage area where they store rice. It looks like a hangar or a barn

Can you use gps to find property corners in the woods you have 120 acres and is swampy with no marked corners?

I don't think any GPS is accurate enough to precisely locate a property corner. Also, even it it were, it would be difficult for you to get the precise GPS coordinates for those corners. On the other hand, just to roughly locate the corners, it is possible to use GPS, if you can get the coordinates.

Why if you flip a coin 1000 times you should get about 500 heads and 500 tails?

Because the probability of heads is 0.5 and the probability of tails is 0.5. That does not mean, however, that you will get exactly 500 of each outcome in 1000 trials. The more trials you perform, the closer to the theoretical probability you will get. You will be close with 1000 trials, but you will not be exact, unless you are very lucky.