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That depends on what lottery you are talking about. - You might make statistics of some specific lottery, but I assume you want to guess which numbers have a higher chance of appearing next time. This simply doesn't work; the fact that some number appeared (by chance) in a lottery in the past, one or more times, won't have any effect whatsoever on the numbers drawn in the future.
The most frequent occurance is the mode(s). 10, 4, 6, 4. 4 is the mode.
The mode in a set of data is the number which appears most frequently. For instance in the data set 2,2,3,5,6,7,7,7,7,8,9,9, the mode is clearly 7 as it appears most frequently. If there are two numbers that appear equally frequently, such as in the set 1,2,2,3,4,4,4,4,5,6,6,7,8,9,9,9,9, we would say the data is bimodal, and has modes of 4 and 9. If there are 3 equally frequent values, then the data is trimodal and so on. In your example all numbers are equally frequent (each occurring once). In this case we would say there is no mode.
There are 7056 4-digit numbers with at most one of {0,2,4,6,8}, and any number of {1,3,5,7,9}. Leading 0s are not permitted.There are 7056 4-digit numbers with at most one of {0,2,4,6,8}, and any number of {1,3,5,7,9}. Leading 0s are not permitted.There are 7056 4-digit numbers with at most one of {0,2,4,6,8}, and any number of {1,3,5,7,9}. Leading 0s are not permitted.There are 7056 4-digit numbers with at most one of {0,2,4,6,8}, and any number of {1,3,5,7,9}. Leading 0s are not permitted.
The range is the difference between the largest number and smallest number; 1,4,7,12 - range is 12-1=11 Range is 11. The mode is the most frequent occurring number; 1,1,1,4,6,7, - mode is 1. Median is the halfway point between the numbers; 1,2,4,5,8,9,10 - median is 5. Mean is the 'average' of the set of numbers - 1+2+3+4=10/4=2.5