Answer to Question #207394 in Statistics and Probability for Moha

Question

Pupils Per Teacher The average number of pupils per teacher in each state is shown. Construct a grouped frequency distribution with 6 classes. Draw a histogram, frequency polygon, and ogive. Analyze the distribution.

Answer 1

Data:

Histogram :

Frequency polygon :

Based on the above data, we can construct the cumulative frequencies associated to each class, by adding all the frequencies up to that class, or equivalently, adding the frequency to the previous cumulative frequency. The following table is obtained:

We can say that data is negatively skewed. The median is about 16 students per teacher.