Grouped Frequency Table Worksheet Pdf. This is a worksheet i made for my year 11s to practice finding the mean from grouped data. 31 35 27 49 step 1.
X is the midpoint of the class. In order to succeed with grouped frequency table questions it is worth revising the following topics. Make sure you are happy with the following topics before continuing.
He weighed each pebble.
If we have collected a lot of data we might display it in a frequency table we need to be able to construct a frequency table and know how to interpret and use one to solve problems such as calculating the mean median mode and range of the data. Weight w grams frequency 50 w 60 5 60 9w 70 70 w 80 22 80 w 90 27 1790 w 100 a work out an estimate for the mean weight of the pebbles. Then we can display it in what is called a grouped frequency table. Complete the table using the data.