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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 mean median mode range for math?
The median is the middle number of any given set when they are in order, least to greatest. If there is an even number of values, the median is the average of the middle two.
Ex. (10, 17, 20, 45, 68)
The median is 20.
In any given set, the mode is the number that appears most often. If no number appears more frequently than any other, there is no mode.
Ex. (10, 17, 20, 45, 68)
This set has no mode.
In any given set, the range is the smallest number subtracted from the largest number.
Ex. (10, 17, 20, 45, 68)
68 - 10 = 58
The range is 58.
In any given set, the mean is the average, which is the total of the numbers divided by how many numbers there are.
Ex. (10, 17, 20, 45, 68)
68 + 45 + 20 + 17 + 10 = 160
There are 5 numbers in this set.
160/5 = 32
The mean is 32.
Errors of accidence refers to a action, decision or inaction that leads to an accident.
Why do you need to divide by 2 when trying to find the median?
Because the median is the value which is half-way along the list of values in size order. Another way of describing "half" is "divide by two".
From 1955 to 1994 what Fridays were 13th?
There were 540 days whose date was 13. Of these 78 fell on a Friday. These were (in international notation):
13/05/55,
13/01/56, 13/04/56, 13/07/56, 13/09/57, 13/12/57, 13/06/58, 13/02/59, 13/03/59, 13/11/59, 13/05/60,
13/01/61, 13/10/61, 13/04/62, 13/07/62, 13/09/63, 13/12/63, 13/03/64, 13/11/64, 13/08/65,
13/05/66, 13/01/67, 13/10/67, 13/09/68, 13/12/68, 13/06/69, 13/02/70, 13/03/70, 13/11/70,
13/08/71, 13/10/72, 13/04/73, 13/07/73, 13/09/74, 13/12/74, 13/06/75,
13/02/76, 13/08/76, 13/05/77, 13/01/78, 13/10/78, 13/04/79, 13/07/79, 13/06/80,
13/02/81, 13/03/81, 13/11/81, 13/08/82, 13/05/83, 13/01/84, 13/04/84, 13/07/84, 13/09/85, 13/12/85,
13/06/86, 13/02/87, 13/03/87, 13/11/87, 13/05/88, 13/01/89, 13/10/89, 13/04/90, 13/07/90,
13/09/91, 13/12/91, 13/03/92, 13/11/92, 13/08/93, 13/05/94, 13/01/95, 13/10/95,
13/09/96, 13/12/96, 13/06/97, 13/02/98, 13/03/98, 13/11/98, 13/08/99.
It is meant to describe something occurring 4 times per year, or once per quarter.
If you wanted to describe something occurring once every four years, you would say it is a quadrennial event.
In a six sided die what is the possibility of rolling 2 odd numbers in a row?
There are 3 odd (1,3,5) and 3 even (2,4,6) sides on a 6-sided die.
When rolling a 6-sided die, each face has an equal chance of coming up (assuming a perfect die).
Because of this, the chance of rolling an odd number once is 50%.
The second roll you again have a 50% chance to roll an odd number, which means that the chance to roll two in a roll is (50% * 50%) 25%.
1/2*1/2 = 1/4 =
25%
In other words, the chance of rolling an odd number is 1/2 to the Nth power, where N is the number of rolls.
Rolling a dice 10 times means a chance of (1/2)n10 or
1/2 *1/2 *1/2 *1/2 *1/2 *1/2 *1/2 *1/2 *1/2 *1/2 =
1/1024 =
0,097%
Assuming:
- you are rolling two six-sided dice:
- "greater than 5" does not include 5
Number of possible rolls = 36 (6x6)
28 rolls satisfy "at least one die shows a 4 or the sum of the dice is greater than 5":
(1, 4), (1, 5), (1, 6),
(2, 4), (2, 5), (2, 6),
(3, 3), (3, 4), (3, 5), (3, 6),
(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6),
(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6),
(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6),
The probability that at least on die shows a 4 or that the sum of the dice is greater than 5 is 28/36, or 7/9, or approx. 77.8%
216.
216
Median formula for continuous frequency distribution?
If you will let me assume that the probability density function (pdf) is absolutely continuous over its support then the median is given as the integral from -inf to the median of the pdf over that support = 1/2.
How do you find the median of 10 8 4 5 8 6 12 1?
Put the numbers in order, then pick the middle number. Since there are two middle numbers, average those two. 6+8 is 14 then divided by 2 is 7.
ans : 3720
What is the formula for figuring out percentages?
To find the percentage of one number in relation to another number then divide the relative number by the base number and multiply the result by 100.
Example : what percentage of 54 is 21. Then 21 is the relative number and 54 is the base number. Percentage = 100 x 21/54 = 38.89 (2dp)
When an error of 1 percent is made in the length of a square error is?
The error in its area is then 2 percent....
How do you find the missing frequencies if median is given?
check 10th board's algebra text book nd u'll get ur ans der...
What will be the formula when mean and variance of 3 population are given?
The formula for WHAT? Since you have not bothered to specify that crucial bit of information, I cannot provide a more useful answer.
The formula for WHAT? Since you have not bothered to specify that crucial bit of information, I cannot provide a more useful answer.
The formula for WHAT? Since you have not bothered to specify that crucial bit of information, I cannot provide a more useful answer.
The formula for WHAT? Since you have not bothered to specify that crucial bit of information, I cannot provide a more useful answer.
