Question

A sample of 100 students was randomly selected from a middle school in a large city. These participants were asked to select their favorite type of pizza: pepperoni, cheese, veggie, or Hawaiian. pizza preference and gender were recorded for each participant. The results of the survey are summarized in the table

Answer 1

The variables of the hypothesis test include the favorite type of pizza and the gender

The null hypothesis is Favorite pizza and gender are independent

How to determine the null hypothesis?

From the complete question, the variables that are measured are:

• Favorite type of pizza
• Gender

The null hypothesis of a test used the equality statement.

So, the null hypothesis would be

Favorite pizza and gender are independent

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