Features of two-way tables
Features of two-way tables include:

• Categories are divided into rows and columns.

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• Rows are placed on the top of the table and columns are placed at the left side of the table.

• The counts are inserted at the center of the table.

• Total of each is calculated at the end of each row and column.

• A grand total is calculated and placed at the bottom right of the table.

• The total of the right column and bottom row is known as marginal distribution.

• All entries that are placed at the center of the table are known as joint frequencies.

Uses of the two-way tables and steps for construction
Usage of two-way tables can be explained as follows: • Two-way tables are used in statistical research and analysis.

• Two-way tables classify huge data in an efficient manner.

• Two-way tables are easy to use and simple to understand.

• Two-way table is the most convenient tool of statistics, and is used for calculating the chi square test, p value test, and for other statistical tests.

• Two-way tables remove the complications of the data and make them reliable.

• Two-way tables present the data in a specific format. The following steps are used for the construction of two-way tables:

• Identification of variables.

• Categorization of variables.

• Determination of all the possible values for each variable.

• Draw the table.

• Fill the frequencies in the table.

• Observe the frequencies.

A hundred students of a university are selected, of which 50 males and 50 females are categorized. The columns represent whether the students are male or female and rows represent the students’ preference whether the impact of social media is positive or negative on their lives. The data is inserted into the table and totals of rows and columns represent the results. Above, the table shows that 35 males and 15 females are in favor of the use of social media, while 15 males and 35 females are against social media. It indicates that the ratio of males in favor is more than females.

Procedure: • Identify 100 students of University.

• Categorize males and females.

• Determine all males and females who are in favor and against the use of social media.

• Draw the table.

• Insert the data into the table.

• Calculate the total of rows and columns.

• Analyze the results for the conclusion. Example 2: Here is the data from a survey on youths about their preference for fitness.