SCENARIO 12-6 According to an article in Marketing News, fewer checks are being written at the grocery store checkout than in the past.To determine whether there is a difference in the proportion of shoppers who pay by check among three consecutive years at a 0.05 level of significance, the results of a survey of 500 shoppers in three consecutive years are obtained and presented below. 
-Referring to Scenario 12-6, what is the form of the null hypothesis?
Definitions:
Vitamin C
An essential nutrient that acts as an antioxidant, supports the immune system, and is necessary for the synthesis of collagen.
Kilocalories
A unit of energy defined as the amount of heat needed to raise the temperature of one kilogram of water by one degree Celsius, commonly used to quantify the energy content in food.
Dietary Intake
The amount and type of food and beverages consumed by an individual or population, significant for nutritional status and health.
Anabolism
All of the synthesis reactions that occur within the body; requires energy.
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