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.28 to .31
Percentage of 28 out of 31 = 28/31 * 100% = 90.32%
28
The median of 31 28 30 31 30 is 30.
31 + 24 + 28 + 33 + 28 + 27 + 25 = 196/7 = 28
Put them in order as 28 30 30 31 31 and the median is the number in the middle, which is 30.
Jeopardy - 1984 28-31 was released on: USA: 31 October 2011
30
28, 30, 31, 31, 32 Mean: 30.4 Median: 31 Mode: 31 Range: 4
31 28 31 31 30 31 30 31 30 31 30 31
209 Having a calculator helps.
ALL months have 28 days! Should have said "Why does February have 28 days and some have 31?".