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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 many 4 digit combinations can be made with 4 7 0 2?

24 without repeating digits: 4702 4720 4072 4027 4270 4207 7402 7420 7042 7024 7240 7204 0472 0427 0742 0724 0247 0274 2470 2407 2740 2704 2047 and 2074.

How many five-digit whole numbers can be made with 1 2 3 and 4?

1024

If you're not allowed to use each digit more than once, then you can't make any 5-digit numbers, since you only have 4 digits to use.

I you can use each numeral (1, 2, 3, or 4) as many times as you want, then there are 4 ways to fill each position in the 5-digit number. The total number of possibilities is 45 = 1024.

How many 4 number combinations are there in the numbers 0 to 2?

Since there are only 3 digits available, repetition must be allowed.

In that case, there are 30 combinations.

Why is the mean and median not pratical when it comes to the mode?

The three are different measures of central tendency. None of them are substitutes for the other and, except in symmetric unimodal distributions, none of them can be used to estimate another.

How do you find the range between the numbers -54 and 119?

to find the range of numbers, you take the largest number and subtract the smaller number. 119-(-54)=119+54=173

In a village in each family they give birth to children till they get a boy IF girl child they try again What is the ratio of boys to girls?

Assuming P(B) = 1/2 and P(G) = 1/2, the expected ratio of boys to girls would be:

B/G = 1.

Explanation:

Suppose 16 families. On their first child there would be 8 boys and 8 girls. From the

8 families that would try again their would be 4 girls and 4 boys. From the 4 families that would try again there would be 2 girls and 2 boys and from the 2 families that

would try again there would be 1 girl and one boy. Form the last family to try again

the chances of getting a boy or a girl is 1/2. So in a larger population than 16 families

half the time they would get a boy and half the time a girl. The relation of boys to

girls end up to be 1 to 1.

What is one thing that every equation contains?

An "equals" sign. That's why it is an equation, two parts are equal.

In a scatterplot graph subjects age and education in years which variable goes horizontal and which goes vertical?

Better to plot the subjects' ages on the X-axis (horizontal) and their years of education on the Y-axis (vertical).

How many meters are there in 91.9 decimetres?

There are 10 decimetres in one metre. Therefore, 91.9 decimetres is equal to 91.9/10 = 9.19 metres.

How do you make the number 24 with the numbers 4 2 8 9 without using them more than once?

2x9+4+2. When you multiply 2 and 9 you get 18. Then when you add 4 you get 22. When you add 2 you end up with 24.

What is the probability of NOT tossing two heads on two fair coins?

The probability of tossing two coins one time and not getting two heads is 3/4 or 75%. The possible out comes of this are: HH, HT, TH, TT. There is only one way to get two heads, out of four possible results. Another, faster way to do this problem would be to multiply the probability of getting one head on one coin (1/2) by the probability of getting a head on another coin (also 1/2). This will result in 1/4. Because you want every result BUT this one, subract this answer from one. You will get the an answer of 3/4. This may not seem like a faster method when writing it out, but with a larger number of coins it would save a lot of time, because you do not have to go through all of the combinations.

What is the age and value of a Stevens 311A side X side 12 gauge that is stamped with a Z and A and I in circles under the barrels?

The Stevens date code usually appears on the bottom of the frame behind the hinge pin. I dont believe the marks you have on the water table are the date codes. The Z was not used, the (A) is 1949 and the (I) is 1957, but these usually have numbers in the circle with them. sales@countrygunsmith.net

When performing a study what is a type 2 error?

A type 2 error is when you accept your null hypothesis when in fact the alternative is true. A type 2 error is also known as a false negative.

What does enoy mean?

politics somebody acting as a diplomat on behalf of a national government or sent as an official messenger on behalf of a higher authority