Answer:
Explanation:
Given:
The average hourly wage: 17.94 20.43 21.28 20.41 17.04
To find:
a) sample mean, b) sample standard deviation
To determine the sample mean, we will apply the formula:
[tex]\begin{gathered} Smaple\text{ mean = }\frac{1}{n}\sum_\text{ x} \\ \\ n\text{ = number of dataset = 5} \\ Sample\text{ mean = }\frac{1}{5}(17.94+20.43+21.28+20.41+17.04) \end{gathered}[/tex][tex]\begin{gathered} Sample\text{ mean = }\frac{1}{5}(97.1) \\ \\ Sample\text{ mean = 19.42} \end{gathered}[/tex]
To get the median, we need to re-arrange the numbers either in ascending or descending order
In ascending order: 17.04, 17.94, 20.41, 20.43, 21.28
The middle number is 20.41. Hence, the median is 20.41
To determine the sample variance, we will apply the formula:
[tex][/tex]
