Mean of Frequency Distribution

It is assumed that the frequency of each interval is centred around its

Given this data distribution...(check all that apply)

What is the mean mark for the above distribution?

What is the formula for mean of a frequency distribution?

What is the calculation for mean?

Estimate the average hourly wage to the nearest dollar

The hourly wages for a group of workers is shown in the frequency table.

List the mid-point for each interval.

(a)  

The data presented in the table have a mean value of:

The table shows the distribution of the number of hours worked each week (on average) for a sample of 100 community college students. The mean

This data represents the age distribution of a sample of 100 people covered by health insurance (private or government). The sample was taken in 2003. The mean of this data set is