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Q: What is the mean of 75 80 87 88 95?

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The mean of the data is 80.

63

It is 87

The median is 87.

Add up the numbers, then divide by the number of numbers. Answer: 80

When they ask for the 'mean' they are really asking for the average of all those numbers. All you have to do is add those up: 76+54+92+88+76+88+75+93+92+68+88+76+76+88+80+70+88+72= 1440 And then divide by how many numbers we added up. In this case, we added up 18 different numbers. So: 1440 / 18 = 80 80 is your 'mean' or average number.

The composite numbers are: 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86 ,87, 88

When the data is arranged in ascending order, the middle numbers are 88 and 90. Take the mean of these, which is 89, as the median.

62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88.60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90

88

The median is 78.

80, 81, 82, 84, 85, 86, 87, 88, 90

80, 81, 82, 84, 85, 86, 87, 88, 90

Sort the numbers into numerical order:54, 68, 70, 72, 75, 76, 76, 76, 80, 88, 88, 88, 88, 92, 92, 93The median is the middle number which as there are 16 numbers is the mean of the middle two (highlighted above):median = (76 + 80) Ã· 2 = 78.

76

81, 82, 84, 85, 86, 87, 88

81, 82, 84, 85, 86, 87, 88. 80 and 90 are composite too

76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99.

They are: 62 63 64 65 66 68 69 70 72 74 75 76 77 78 80 81 82 84 85 86 87 88.

62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88.

There is no such atom as Radium 87 - it is Radium 88 and thus has 88. Francium is 87.

88 appears more than any other number, so it is the mode.

Six : 1971, '80, '82, '85, '87, '88 Nil

82.83

0.8523