Question

In: Statistics and Probability

Moe the bartender suspects that serving salty snacks causes his customers to buy more drinks. But...

Moe the bartender suspects that serving salty snacks causes his customers to buy more drinks. But he wants to test the idea. So for 1 entire month each day before he opens the bar, he flips a coin to determine which snack to serve that day: salty peanuts or unsalted popcorn. Every night, he adds up the total number of drinks sold.

What is the hypothesis?

What is the independent variable?

What is the dependent variable?

What are some control variables?

What are some possible confounding variables?

What is the prediction?

Explain if this study quantitative or qualitative.

Explain if this study randomized or double blind.

What is the control group?

What is the experimental group?

Expert Solution

What is the hypothesis?

The hypothesis being tested is:

H₀: p = 0.5

H_a: p > 0.5

What is the independent variable?

The independent variable is a snack to serve.

What is the dependent variable?

The dependent variable is the customers.

What are some control variables?

The type of snack to serve that day: salty peanuts or unsalted popcorn.

What are some possible confounding variables?

The season is the confounding variable because people tend to drink more in summers as compared to the other seasons.

What is the prediction?

The prediction is serving salty snacks causes the customers to buy more drinks.

Explain if this study quantitative or qualitative.

This study is quantitative because every night, the bartender adds up the total number of drinks sold.

Explain if this study randomized or double blind.

This is a double-blind study because the bartender flips a coin to determine which snack to serve that day.

What is the control group?

The control group is the total number of drinks sold.

What is the experimental group?

The experimental group is which snack to serve that day.

orchestra answered 2 years ago

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