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Given Data

2,5,4,9,5

The Mean can be defined as

Mean =sum of all observations / Total number of observations

Here,

The Total no.of observations is 5

Therefore,

Mean = (2+5+4+9+5) /5 = 25/5=5

The Mean is 5

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Yasin

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More answers

It is: 2+5+4+9+5 = 24/5 = 4.8 which is the mean average

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Q: What is the mean of these numbers 2 5 4 9 5?
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How many 4 digit numbers can be formed using 2 3 4 and 5 as many times as possible?

If you are asking to use each of those 4 numbers, than we would simply say there are 4 choices for the first digit, 3 for the second etc. and there would be 4! possible numbers, or 24 of them. Here they are Think of each one of the entries as a number. This was done for you with the program Mathematica. {{2, 3, 4, 5}, {3, 2, 4, 5}, {4, 2, 3, 5}, {2, 4, 3, 5}, {3, 4, 2, 5}, {4, 3, 2, 5}, {5, 3, 2, 4}, {3, 5, 2, 4}, {2, 5, 3, 4}, {5, 2, 3, 4}, {3, 2, 5, 4}, {2, 3, 5, 4}, {2, 4, 5, 3}, {4, 2, 5, 3}, {5, 2, 4, 3}, {2, 5, 4, 3}, {4, 5, 2, 3}, {5, 4, 2, 3}, {5, 4, 3, 2}, {4, 5, 3, 2}, {3, 5, 4, 2}, {5, 3, 4, 2}, {4, 3, 5, 2}, {3, 4, 5, 2}} If we can use a number more than once or not at all than that changes it. For example, you do not see 2222 above. Look at each number, let's start with 2, it is either in the first digit or not, in the second or not, in the third digit or not,and in the fourth digit or not.-. there are 2 choices for the number 2, same for 3,4,and 5. Then there are 2^4 choices for each (2^4)^4 or 16^4 possible numbers. That is much bigger than 24 as you can see. It is 65536. BUT that includes numbers such as 2 or 22 where we include 2 twice but not the other numbers, and we need to subtract those if we are talking about 4 digit numbers. That makes it a little harder! Do you seen why? Let me know if you need more help.


4 numbers with a median of 6?

1,5,7,8 or 2,3,9,40 Any number which is middle number is 6. Not the mean though. It must be the mean of the numbers either side of the number you want. If you want 4 numbers, you need the 2 and a half number. For the 5 numbers you would chose the 3rd number


A sentence using the word mean?

Mean, adj. not nice: The bully was mean to all the other children.Mean, noun, the average of several numbers: 4 is the mean of the numbers 3, 4, and 5.


How do you work out the mean in maths?

add up all the numbers you have then divide by the amount of numbers you haveThe mean is the same as the average. You must add up all the data, then divide by the number of data entries you added. E.g. 3+5+2+6+4=20 then 20 divided by 5 = 4, so in this case 4 is the mean.


What is the median of a list of numbers?

It is the central number in the ordered set. To find the median of a list of numbers, you have to put the numbers from least to greatest and then count in an equal number from each side. For n data values, the median will be the ordinal number (n+1)/2 For even numbers of values, it is the average of the 2 middle numbers. Example : 1 2 4 4 5 6 7 7 7 the median is 5 1 2 4 4 4 5 6 7 7 7 the median is 4.5 (4 + 5) / 2