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CA Foundation · Quantitative Aptitude · Statistical Description of Data

A table of the number of employees of a firm is classified by gender (male, female) and also by department (Sales, Finance, HR). Such a table, in which data are classified according to two characteristics, is called:

This is a two-way table, also called a double table. It classifies data by two characteristics at once, here gender and department. A simple table uses only one characteristic, and a three-way table uses three.

  1. ASimple table
  2. BTwo-way tableCorrect
  3. CThree-way table
  4. DManifold table with four characteristics

Explanation

Two characteristics are used, gender and department, so the table is a two-way (double) table. A simple table has only one characteristic, and a three-way table needs three characteristics. Option 4 would need four characteristics, so it is wrong.

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