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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

What is the sample space of tossing a coin 4x?

HHHH, HHHT, HHTH, HHTT,

HTHH, HTHT, HTTH, HTTT

THHH, THHT, THTH, THTT,

TTHH, TTHT, TTTH, TTTT

The median of three numbers is 7. The range is 14. The mean is 11. What are the three numbers?

Order the numbers by size. Then the median of three numbers must be the middle number. So the second number is 7. The mean is 11 so their sum is 3*11 = 33 so the sum of the first and third is 33-7 = 26. The range is 14 so if one of the numbers is x, another must be x+14. Now x must be the smallest or the second (=7) [It can't be the largest because x+14 is bigger] If x = 7 then x+14 = 21 and the first must be 26-21 = 5 but then the range becomes 16. So x is not 7. So x is the smallest number, and x+x+14 = 26 ie 2x+14=26 or 2x = 12 or x = 6 Then the third number is x+14 = 20 So the three are 6,7 and 20.

What are all the possible outcomes of rolling 3 dice?

There are 216 possible outcomes and I do not have the time or inclination to list them all. But you can try all the ordered triplets of the form (x, y, z) where each of the letters can take any of the integer values from 1 to 6 (inclusive).

What 3 numbers have a mode of 5 and a mean of 6?

8, 5, and 5

6=18/3, so they must add up to eighteen.

There must be at least two fives for the mode to be five.

18-10= 8

What does hounsfield units of 47 mean?

HU of water is 0, Air is -1000, Muscle is +40, bone is +100.

So 47 HU would be a little thicker than muscle.

What is your probability of getting 1 or more tails if you flip three coins?

The same as (the opposite of) flipping 3 heads which is 1/2*1/2*1/2 = 1/8

The opposite of that being 1 - 1/8 = 7/8

How many times does the digit 1 appear in numbers from 1 to 200?

If 11 and 111 is counted as 1 digit, the answer is 119.

If 11 is counted as 2 digit 1's, the answer is 131.

What is error 1?

Error 1 typically refers to a specific type of error code that can arise in various systems, applications, or devices, indicating a malfunction or issue. The exact meaning of "error 1" can vary based on the context, such as software applications, hardware devices, or network configurations. To address it, users often need to consult the relevant documentation or support resources for troubleshooting steps specific to that error code.

What does Amram mean?

It is Hebrew for "Friend of the Most High" and for "the people are exalted."

What does 'thera' mean?

a Greek island in the S Aegean, in the Cyclades group. 30 sq. mi. (78 sq. km). a Greek island in the S Aegean, in the Cyclades group. 30 sq. mi. (78 sq. km).

What does KTM mean?

Kronreif and Trunkenpolz (men who found the company), Mattighofen (town where company founded).

What does Cristes masse mean?

In Old English Cristes maesse means "Christ's Mass" and from that we get the word: Christmas.

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