A beverage company is running two studies: Study A: Compares the average number of Coke Zero cans consumed per week between two independent groups: gym-goers and non-gym-goers. Study B: Measures the same group of customers’ satisfaction with Coke Zero before and after a packaging redesign. Which of the following best identifies the correct hypothesis test for each study?  

A beverage company is running two studies: Study A: Compares the average number of Coke Zero cans consumed per week between two independent groups: gym-goers and non-gym-goers. Study B: Measures the same group of customers’ satisfaction with Coke Zero before and after a packaging redesign. Which of the following best identifies the correct hypothesis test for each study?  

A supermarket owner collected weekly sales from across his three stores. He wants to know if the mean sales were significantly different. What is the null hypothesis (H0)?

Suppose the restaurant marketing manager believes that female and non-female customers value promotion at a different level, and wants to be 95% certain (α=0.05). Below is the output of the hypothesis testing.  Which of the following statements is FALSE?  

A regional airline launched a new mobile app and wants to know whether customer satisfaction with the app exceeds a neutral benchmark score of 50 (on a 0–100 scale). A survey was distributed to a sample of 200 app users, and satisfaction scores were collected. The company conducted a single mean t-test to compare the average satisfaction score to the benchmark. Below is the SPSS output from the analysis. Based on the SPSS output, what is the most accurate conclusion?  

A beverage company is running two studies: Study A: Compares the average number of Coke Zero cans consumed per week between two independent groups: gym-goers and non-gym-goers. Study B: Measures the same group of customers’ satisfaction with Coke Zero before and after a packaging redesign. Which of the following best identifies the correct hypothesis test for each study?  

A company surveys customers to find out which of the following grocery stores they usually shop at: Publix Whole Foods Trader Joe’s The researcher wants to analyze differences across store preferences using statistical software, but the “Preferred Store” variable is categorical and needs to be converted using dummy coding. Which of the following is the correct way to dummy code this variable?

A manager at a skincare company wants to test whether a new moisturizer improves skin hydration. They recruit 30 participants and measure each participant’s skin moisture level before using the product and again after two weeks of daily use. Which of the following SPSS analyses should the manager perform?  

A researcher is preparing to enter survey responses into a data analysis software. For the question “What is your primary reason for visiting Costco?”, the possible responses are: A = PriceB = Product VarietyC = LocationD = Bulk PackagingE = Other To ensure consistency and accuracy during data entry and analysis, the researcher creates a document that clearly defines the class coding.  What is this document called?

A researcher is preparing to enter survey responses into a data analysis software. For the question “What is your primary reason for visiting Costco?”, the possible responses are: A = PriceB = Product VarietyC = LocationD = Bulk PackagingE = Other To ensure consistency and accuracy during data entry and analysis, the researcher creates a document that clearly defines the class coding.  What is this document called?