1) what questuons/ variables from the data codebook should Joyce use to answer this research question?

a) age and CSOVerall

b) age and SourceYelp

c) age and CSOverall

d) gender and SourceYelp

2) What analysis should Joyce conduct?

a) paired smaples t test

b) ANOVA

c) confidence interval

d) Chi Square Analysis

Joyce, manager of the restaurant Gaslight, wants to investigate customers' satisfaction toward their restaurant. She asks customers to fill out a satisfaction survey while they are waiting for the return of their credit cards. The data codebook from this survey is shown below. Use the data codebook to answer the following questions. Name Label Value Description How did you learn about Gaslight? Yelp Yes Source Yelp No Yes SourceTA CSService 2 CS Taste 3 4 5 1 How did you learn about Gaslight? Trip Advisor No Very satisfied Somewhat satisfied How satisfied were you with our service? Neutral Somewhat dissatisfied Very dissatisfied Very satisfied Somewhat satisfied How satisfied were you with the taste of our Neutral food? Somewhat dissatisfied Very dissatisfied Very satisfied Somewhat satisfied How satisfied were you with the cleanliness of our Neutral restaurant? Somewhat dissatisfied Very dissatisfied Yes Is this your first time dining at Gaslight? No How much did you spend today? No label Male Please specify your gender. Female Other Under 35 What is your age? 35 to 54 55 and above 2 CS Cleanliness 3 4 FirstTime Bill Actual number Gender 2 1 Age Joyce puts customers into three different age groups: under 35,35 to 54, and 55 and above. She wants to know if the percentages of customers getting to know Gaslight via Yelp are different among the three groups. Use this information to answer questions 1 to 2