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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 three digit numbers will be there which are divisible by 13?

Well, let's see . . .

13 x 8 = 104. That's the smallest one.

13 x 76 = 988. That's the biggest one.

So all of the multiples of 13 ... from the 8th to the 76th ... are 3-digit numbers.

That's the same as saying: "The first 76 multiples except for the first 7."

So there are (76 - 7) = 69 of them.

What is the probability of obtaining a sum of at least 6when rolling a pair of dice?

The best way to do this is to note that this is 1 minus the probability of obtaining a sum less than 6.

The probability of obtaining a 2 is 1/36 (both dice get 1)

The probability of obtaining a 3 is 1/18 (one dice gets 1, the other gets 2, or the other way around)

The probability of obtaining a 4 is 1/12 (both dice get 2, or one dice gets 1 and the other 3, or the other way around)

The probability of obtaining a 5 is 1/9 (one dice gets 2 and the other 3, or the other way around, or one dice gets 1 and the other 4, or the other way around)

Adding these probabilities up gives 5/18. 1 minus this is 13/18

Thus the probability of obtaining a sum of at least 6 when rolling a pair of dice is 13/18.

Which formula is more appropriate to use between mean median and mode?

Each has its advantages and disadvantages and the answer will depend on the nature of the data.

What does outswinger mean?

An outswinger is a ball that moves away from the right hander. To bowl an outswinger, you have the shiny side of the ball facing towards the batsmen. The shinier the ball, the furtherer it will move

What does Wlkn mean?

WLKN is a radio station. It has an adult contemporary format consisting mainly of music from the 1980's until the current day. It is located in Wisconsin.

Why is it almost impossible to roll a 13 with two dice?

It is not almost impossible, it is impossible. The most you can roll is two sixes, which equals 12.