Question

a sample study about food habits of a town, the data was obtained:

50 % persons were males

30 % were non-vegetarians

18 % male non-vegetarians​

Answer 1

The answer is:

Step-by-step explanation:

• Correlation is a statistical tool that studies the relationship between two variables e.g. change in price leads to change in quantity demanded.

• Correlation studies and measures the direction and intensity of relationships among variables.
• It measures co-variation, not causation. It does not imply cause and effect relation.
• Type of Correlation

• Correlation is classified into positive and negative correlation.
• The correlation is said to be positive when the variables move together in the same direction.
• e.g. sale of ice cream and temperature move in the same direction.

• The correlation is said to be negative when the variables move in the opposite direction.
• e.g. When you spend more time studying chances of your failure decline.

• Examples of positive correlation are:

      1. Price and supply of a commodity.

      2. Increase in Height and Weight.

      3. Age of husband and age of wife.

      4. The family income and expenditure on luxury items.