how to do a frequency table

Mr. Tony asks the students in his class how long they watch T.V. each day. The responses are displayed in the frequency table. How many children watch T.V. for 2 hours daily? => 4 or 7 or 5 or 8..

A survey was conducted at Maple Avenue where people in 20 homes were asked about the number of cars registered to their households. The results were given in the frequency table. How many homes have one car registered? => 6 or 2 or 4 or 5..

The frequency table displays the number of employees of different age groups in a company. How many employees of age 40 - 49 years are there in the company? => 6 or 5 or 7 or 4..

The frequency table displays the different levels of education of 13 people in a family. How many more persons in the family had undergone Elementary or Secondary education than those who had undergone University education? => 2 or 5 or 4 or 3..

The number which tells us how many times a particular data appears is called the frequency. For example, 2 marks have been scored by five students which means marks 2 occurs five times. Therefore, the frequency of score 2 is five. Similarly, the frequency..

A teacher gave a test to a class of 26 students. The maximum mark is 5. The marks obtained by the pupils are: Such data as above is called ungrouped (or raw) data. We may arrange the marks in ascending or descending order. The data so represented is called an array. The difference between the great..

In a frequency distribution, the mid-value of each class is obtained. Then on the graph paper, the frequency is plotted against the corresponding mid-value. These points are joined by straight lines. These straight lines may be extended in both directions to meet the X - axis to..

Pick an appropriate frequency table for the stem and leaf plot. => Fig-1 or Fig-2 or Both or None..

Cumulative frequency is obtained by adding the frequency of a class interval and the frequencies of the preceding intervals upto that class interval. This is explained by an example below. The following frequency distribution table gives the marks o..

George made a frequency table of the scores his students got in a test. Score Frequency Below 75 6 76 - 80 16 81 - 85 3 86 - 90 2 91 - 95 5 96 - 100 1 How many students scored either in the range 86 - 90 or in the range 81 - 85? => 5 or 6 or 7 or 4..