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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

What do stumped mean?

If you are asked a question or can not figure something out then it is said that you are "stumped" meaning you can go no further.

How is the critical region utilized in hypothesis testing?

When you formulate and test a statistical hypothesis, you compute a test statistic (a numerical value using a formula depending on the test). If the test statistic falls in the critical region, it leads us to reject our hypothesis. If it does not fall in the critical region, we do not reject our hypothesis. The critical region is a numerical interval.

How do you prepare front page of maths project?

That depends very much what the project is and whom it is for. Colelge? Middles School? In general, it should be clean, simple, and tell the reader what the project will be all about. If you can make it so it draws the reader in also, that is great!

What does Shirley mean?

From Old English, it means "From the white meadow" Shirley can also be called "Cookie."

What does dehumanization mean?

Dehumanization means that a human takes away another human's basic rights. For example, slave owners dehumanized slaves by calling the bad names, not allowing them to learn to read or write, making them work without pay, and considering them animals.

How many 4 digit numbers can be formed using a digit only once per number?

There are ten digits 0-9 that you can choose from. 10P4 = is the number of ways to order these ten digits into four digit numbers.

However, 0 cannot begin the number or else it is a 3 digit number (0341 is a three digit number). So, we must subtract from 5040 the number of 3 digit numbers which do not contain 0. There are 1-9 digits to choose from. 9P3 = 504 is the number of ways to order these nine digits into three digit numbers.

5040 - 504 = 4536

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Another way to arrive at the same result:

You have 9 choices for the first number (1,2,3,...,9). Once you choose the first number you have 9 numbers to choose from for each of the remaining three numbers: (0,1,2,3,...9) but excluding the number you chose for the first number. So you have (9P3) ways to choose the final three digits.

Thus, you have a total of 9*(9P3) ways to form your four digit number:

9*(9P3)=9*9*8*7=4536

What is cube of binomial mean?

The cube of a binomial is the cube of two terms separated by an addition or subtraction sign, such as (2a + 3b) or (ab - cd).

For example, (2x - 5y)3 = 8x3 - 40x2y + 50xy2 - 20x2y + 100xy2 - 125y3.

The detailed method of expanding this binomial is : (2x - 5y)3 = (2x - 5y)(2x - 5y)(2x - 5y) = (4x2 - 20xy + 25y2)(2x - 5y) = 8x3 - 40x2y + 50xy2 - 20x2y + 100xy2 - 125y3

What is the lowest 3 digit number?

1.11

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.111 is lower yet, but neither one meets the usual definition of 3-digit number.

By the usual definition, 100 is the smallest 3-digit or 3 figure number.

Are hypothesis always explicitwhy?

Yes, because they must be clearly stated so that they can be tested.

How do you convert kilogram to kilonewton per meter square?

You cannot.

A kilogram is a measure of mass while a kilonewton per metre square is a measure of pressure. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.

How many possible combinations with six different cards a coin and a number cube?

You have 6 choices of cards, two possibilities with the coin and 6 numbers on the cube.

The number of combinations is : 6 x 2 x 6 = 72.

What is the average daily mileage of a motor vehicle in the Philippines?

Based on the Land Transportation Office the average daily mileage of a Filipino vehicle is around 32 miles or 51.499008 kilometers and in the average yearly basis of a filipino vehicle is around 11, 680 miles or 18,797.138 kilometers