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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

How do you use other sources of information to support the data?

In engineering you can use items around the workshop such as posters on info boards or their may already be drill and hole sizes for tap for example a 6.8mm drill bit for a M8 tap on a technical drawing or bend tolerences for the materials thickness.

What does nippavac mean?

Oh, that's a fun word! "Nippavac" doesn't have a specific meaning in English, so it might be a made-up or unique term. Maybe it's a combination of different words or a special name. Let's embrace the creativity and beauty in words, just like we do with colors on a canvas.

How many number combinations for 9 digits repeat allowed?

More then 30 how do i know that because i did it it took me more then 3 hours

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Given that in a combination, 123124125 is the same as 111222345 or 321521421 etc (the order does not matter), I make the answer 8,697,700 - anyone willing to check?

This is much smaller than the 900,000,000 nine-digit numbers that do not have leading zeros, or the 999,999,999 nine-digit number including leading zeros.

What 2 numbers added equal -12 and multiplied equal 292?

No two numbers exist.

for the two numbers to be added to be negative and multiplied to be positive, both numbers must be negative, and the highest possible multiplication for two numbers added to -12 would be (-6 and -6) but multiplied, yields 36. So, no such numbers would exist.

What is the median mode and mean for 95 88 79 92 78 88 93 100 69 98?

The median is the middle value when the numbers are arranged in numerical order. In this case, the middle two numbers are 88 and 92, so the median is (88 + 92) / 2 = 90. The mode is the number that appears most frequently, which is 88 in this dataset. The mean is the average of all the numbers, calculated by adding them up and dividing by the total count. In this case, the mean is (95 + 88 + 79 + 92 + 78 + 88 + 93 + 100 + 69 + 98) / 10 = 88.2.

What 4 numbers have a range of 7 and a median of 5?

Well, darling, if you want a range of 7 with a median of 5, you'll need a set of numbers that are evenly spaced. So, let's go with 2, 5, 8, and 11. That way, you've got a range of 7 and a sassy median of 5.

How many codes can be made with three digit code number beginning with a 7?

Oh, what a lovely question! If we have a three-digit code number beginning with a 7, we have 10 options for each digit (0-9). So, we have 10 choices for the first digit, 10 choices for the second digit, and 10 choices for the third digit. Multiplying these together gives us a total of 10 x 10 x 10 = 1,000 possible codes that can be made. Isn't that just delightful?

Do Asians have souls?

Oh, my friend, everyone has a soul, just like every tree has roots and every cloud has a silver lining. Our souls are what make us unique and connect us to the beauty of the world around us. Embrace your soul and let it shine bright like a happy little sunbeam.

How many deserts are there in Muslim world?

There are 21 deserts in the Muslim world. Some of the notable deserts include the Arabian Desert, Sahara Desert, and the Thar Desert. Deserts play a significant role in the geography and climate of the regions they are located in.

What is maximum and minimum electric flux?

As we know that electric flux is the total number of electric lines of forces passing through a surface.

Maximum Flux:

Electric flux through a surface will be maximum when electric lines of forces are perpendicular to the surface.

Minimum flux:

Electric flux through a surface will be minimum or zero when electric lines of forces are parallel to the surface.

What is the formula in getting Mean Percentage score?

The formula for calculating the mean percentage score is to first add up all individual scores, then divide the total by the number of scores. This will give you the mean score. To convert the mean score to a percentage, you would then divide the mean score by the total possible score and multiply by 100. This will give you the mean percentage score.

A bag contains 6 orange 7 green and 8 yellow marbles Find the probability of picking 3 yellow marbles if each marble is returned to the bag before the next marble is picked?

Well, honey, if you're reaching into that bag three times and each time you're pulling out a yellow marble and then putting it back in, the probability of picking a yellow marble each time is 8/21. Multiply that by itself three times because you're picking three marbles, and you get a probability of 512/9261. So, good luck with those yellow marbles, darlin'!

How many 3 digit numbers are multiples of 5?

To determine the number of 3-digit numbers that are multiples of 5, we need to find the first and last 3-digit multiples of 5. The first 3-digit multiple of 5 is 100, and the last 3-digit multiple of 5 is 995. To find the total number of such multiples, we can use the formula (Last - First) / 5 + 1 = (995 - 100) / 5 + 1 = 180. Therefore, there are 180 3-digit numbers that are multiples of 5.

What is 0.0004 as a percentage?

0.0004 = 0.04% (just move the decimal point two places to the right and put the percent symbol)

What is a 24 digit number called?

The name "24-digit number" is just fine.

The name "24-digit number" is just fine.

The name "24-digit number" is just fine.

The name "24-digit number" is just fine.

How many 7 number combinations from 8 numbers?

To calculate the number of 7-number combinations from 8 numbers, you can use the combination formula, which is nCr = n! / r!(n-r)!. In this case, n = 8 (total numbers) and r = 7 (numbers chosen). Plugging these values into the formula, you get 8C7 = 8! / 7!(8-7)! = 8 ways. Therefore, there are 8 different combinations of 7 numbers that can be chosen from a set of 8 numbers.

What is the probability of getting a picture card in deck of 52 cards?

There are 12 picture (or face) cards in a standard deck of 52 cards. The probability, then, of drawing a picture card is 12 in 52, or 3 in 13, or about 0.2308.

How many 7-digit phone numbers can be formed if the first digit cannot be 0 or 1 and no number can be repeated?

Oh, dude, let me break it down for you. So, since the first digit can't be 0 or 1, we have 8 options for that first digit. After that, we have 9 options for the next digit, then 8 for the next, and so on. So, it's like 8 x 9 x 8 x 7 x 6 x 5 x 4. Crunch those numbers and you get the total number of 7-digit phone numbers that can be formed without repeating any digits.

Non example for volume?

A line does not have a volume. Neither does a plane.

How to find the missing number if median is given?

The median is the middle number. If there is an odd number of numbers in the set, the median is the middle number, and the only way to find the missing number is if the median is the missing number. If there is an even number of numbers in the set, the median is the average of the two middle numbers, and the only way to find the missing number is if the median is one of those two numbers. If it is, you can take the median and the one of the two numbers you know. Use the formula (# +#)/2=median and solve.

What is the se mean and tr mean in statistics?

In statistics, the SE mean refers to the standard error of the mean, which is a measure of the variability of sample means around the population mean. It is calculated by dividing the standard deviation of the population by the square root of the sample size. On the other hand, the TR mean is not a standard statistical term. It's possible that it could be a typo or abbreviation for another concept, but without more context, it's difficult to provide a precise explanation.

0.02 level of significance what is the critical value?

The critical value for a 0.02 level of significance, denoted as α = 0.02, in a statistical test corresponds to the point on a distribution that separates the critical region (rejection region) from the non-critical region. To find the critical value, you would consult a statistical table or use a statistical calculator based on the specific test you are conducting (e.g., z-table, t-table, chi-square table). The critical value is chosen based on the desired level of significance, which represents the probability of rejecting the null hypothesis when it is actually true.

How many 3 digit numbers contain the digit 3 at least once?

172

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Another contributor was amazed:

Wow ! That's a neat little problem.

Let's see . . . . .

-- There are three ways to have a single 3 in the number: 3xx, x3x, and xx3.

For 3xx, there can be 81 different numbers. (2nd and 3rd digits can't be a 3. 9x9=81.)

For x3x, there can be 72 numbers. (1st can't be 0 or 3. 3rd can't be a 3. 8x9=72.)

For xx3, there are also 72. (1st can't be 0 or 3. 2nd can't be a 3. 8x9=72.)

So far, we have 81+72+72 = 225 possibilities, with a single 3 in each one.

-- There are three ways to have two 3s in the number: 33x, 3x3, and x33.

For 33x, there can be 9 different numbers. (3rd digit can't be a 3.)

For 3x3, there can be 9 numbers. (2nd digit can't be a 3.)

For x33, there are 8 numbers. (1st digit can't be a 0 or a 3.)

So we have 9+9+8 = 26 more possibilities.

-- There is only one way to have three 3s in the number: 333.

That's one more possibility.

So the total number of 3-digit numbers where at least one of the digits is a 3 is

225 + 26 + 1 = 252 all together.