Consider the following statements and choose the correct answer from the codes given:(a) In a dot map, the value of the dots generally varies.(b) A dot map is usually used to show areal distribution of phenomena such as rainfall, agricultural production, population, etc.Codes:

• A. Only (a) is correct.
• B. Only (b) is correct.
• C. Both (a) and (b) are correct.
• D. Neither (a) nor (b) are correct.