# Mean for ungrouped data formula

2
by Marika

2015-10-08T18:42:24+08:00

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The formula is x̄ =∑ Ix-чI
• Brainly User
2015-10-08T18:57:32+08:00

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MEAN FOR UNGROUPED DATA:

X = ∑ X
n

__
where    X = mean
∑X = sum of the values or measurements
n = number of measurements.

Example:
The measurements are 86, 85, 84, 87, 89.  There are 5 measurements

The sum of the measurements divided by the number of measurements:
Mean = 86 + 85 + 84 + 87 + 89
5
__
X  = 431
5
__
X  = 86.2