Question
The owner of a retail store randomly selected weekly data on profits and advertising cost and asked a statistics student to analysis and interpret the
The owner of a retail store randomly selected weekly data on profits and advertising cost and asked a statistics student to analysis and interpret the results. Excel output is shown below: s) what is the correlation between advertising cost and profits?b) what percentage of profit is accounted for by using advertising cost?c) how many pairs of data were used in the sample?d) if advertising costs of equal $100, what is the predicted profit?e) is there a significant relationship between advertising cost and profit? Make this decision with a level of significance of 5%.Explain your decision.f) should the regression equation be used to predict profits?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started