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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.

36,756 Questions

How many 7 number combinations can be made with 8 numbers?

8*7*6*5*4*3*2

8P7

=40,320

1. If you are really asking for combinations, in other words, if the order of the numbers chosen doesn't matter :

If each number can be selected only once, this is the number of choices of 7 from 8 _without replacement_:

8 choose 7 = 8

If each number can be selected more than once, this is the number of choice of 7 from 8 _with replacement_:

( 8 + 7 - 1 ) choose 7 = 3432

2. If the order of the numbers chosen matters as well as the combinations :

If each number can be selected only once, then there are 8 choices for the 1st number, 7 for the next, 6 for the one after that, and so on, or 8*7*6*5*4*3*2, as in the first answer.

However, if each number can be selected more than once, then there are 8 choices for the 1st number, (still) 8 choices for the next, 8 choices for the one after that, and so on, or 8*8*8*8*8*8*8 = 2097152.

Does the y-coordinate in the ordered pair correspond to the input or the output?

Neither, as a graph can be read from either axis to get a value on the other axis.

However, the y coordinate is usually considered the dependent variable as an equation is usually written as y = f(x), so it could be considered the output.

The bases of the trapizoid are 12 and 16 Find the length of the median?

To find the median of a trapezoid, you add the bases together then divide by 2. So in this case the equation would be: (12 + 16) ÷ 2 =M. 28 ÷ 2= M M= 14

What does it mean to be prude?

The girl seems like a decent lady,she was probably raised to have respect and compassion for life in general. A lot of folks seem real fond of her. Do ya hear what I'm saying to yer!

What is the measure of absolute zero?

Absolute zero is 0 K, the Kelvin scale, or -273.15 °C, the Celsius (centigrade) scale, or −459.67°F, the Fahrenheit scale. (It's also 0 °R, the Rankine scale.)

A link to the Wikipedia post on absolute zero is provided. You'll find that link below.

What does vocational mean?

A vocation is a calling to or preference for a certain profession, trade or occupation.

How many 3 - digit numbers can be formed using the digit 1 2 3?

123 132 231 213 321 312 : 6 [if no repeated digits].

If repetition is allowed [such as 111, or 223], then there are 27 possibilities.

Has anyone ever flipped a coin 24 times and got all heads?

The probability of flipping a coin 24 times and getting all heads is less than 1 in 16 million. (.524) It would seem that no one has ever done that.

Can the margin of error be determined if only the confidence level is known?

No, more information is needed to determine the margin of error. For example, one may need to know the sample's mean, the sample size, and the standard deviations of the population and sample. Depending on the type of test one is performing, certain parameters need not be known. For example, the population standard deviation does not need to be known in a one sample T-test.

How many combinations of 8 numbers are there in 56 numbers?

Assuming you meant how many combinations can be formed by picking 8 numbers from 56 numbers, we have:

(56 * 55 * 54 * 53 * 52 * 51 * 50 * 49)/8! = (7 * 11 * 3 * 53 * 13 * 51 * 25 * 7) = 1420494075 combinations. (Also equal to 57274321104000/40320)

What does ero mean?

Quote from answer

Ero (エロ) , like many people think, doesn't mean pervert.

It means erotic or sexy. Erokawaii is actually a real popular type of style that means sexy, but cute.

A female pervert is ちじょ (chijo), regular pervert - ちかん (chikan)

What does use mean?

kermit gosnell was a abortion clinic Doctor Who gave abortion to women who couldn't get abortions any where else because they where to far along.

What does mobilised mean?

It means...

To put into useful action. To get moving. To get ready. To get armed forces ready to fight.

So for example:

"The United States joined World War One in 1917, but it took them until 1918 to mobilise their troops."

"One of Germany's plans for World War One - the Schlieffen Plan - was to conquer France in 6 weeks and only then deal with France's ally - Russia. This was because Russia was expected to take six weeks to mobilise its armed forces fully."

Mobilise is spelt Mobilize in US spelling.

Why you write hypothesis in different forms?

because Hypothesis itself is an assumption and we always use the term hypothesis only for assuming a perfect answer. so,we use mostly three forms,directional,non-directional and null hypothesis. it is a very simple and straightforward way to prove or make correct our hypothesis.