WGU C207 Quiz Exam With 100% Correct Answers 2024/2025

WGU C207 Quiz Exam With 100% Correct Answers 2024/2025 Now that we've been open for 15 weeks, we want to compare the average weekly sales on Saturday to the average weekly sales on Sunday. Which is the appropriate statistical test? - answert-test We perform a t-test and our p-value is less than 0.05. Should we reject the null? - answerYes. We have a significant difference between the groups. Which statistical test can we use to test a correlation between customers per day and sales per day? - answerLinear Regression Which R-square gives us a better indication there is a relationship between customers per day and sales per day? - answer0.75 Our regression model is y = 50 + 10X. y is the sales per day and x is the number of customers per day. What will our sales be if we have 20 customers? - answer$250 As we continue to measure the sales per day and the customers per day, they consistently increase together and decrease together. What is this an example of? - answerHomoscedasticity