find the mean for the following group of data items. 90, 30, 60, 30, 50 the mean is. (type an integer or a…
find the mean for the following group of data items. 90, 30, 60, 30, 50 the mean is. (type an integer or a decimal.)
Answer
Explanation:
Step1: Calculate sum of data
$90 + 30+60 + 30+50=260$
Step2: Determine number of data items
There are 5 data - items.
Step3: Calculate the mean
The mean $\bar{x}=\frac{260}{5}=52$
Answer:
52