Question

find the mean for the following group of data items. 80, 20, 50, 20, 40 the mean is □. (type an integer or a decimal.)

Explanation:

Step1: Sum the data values

The data values are 80, 20, 50, 20, 40. We sum them up: \(80 + 20 + 50 + 20 + 40 = 210\)

Step2: Count the number of data points

There are 5 data points.

Step3: Calculate the mean

The mean is the sum divided by the number of data points. So, \(\frac{210}{5} = 42\)

Answer:

42