Concur Technologies Inc is a large expense-management company located in Redmond Washington. The wall street Journal asked Concur to examine the data from 8.3 million expense reports to provide insights regarding business travel expenses. Their analysis of the data showed that New York was the most expensive city with an avg daily hotel room rate of $198 and an avg amount speny on entertainment, including group meals and tickets for shows sports and other events of $172 in comparison the U. S averages for these two categories were $89 for the room rate and $99 for entertainment the following table shows the average daily hotel room rate and the amount spent on the entertainment for a sample of 9 of the 25 most visited U. S cities
Room Rate Entertainment
City ($) ($)
Boston 148 161
Denver 96 105
Nashville 91 101
New orleans 110 142
Phoenix 90 100
San Diego 102 120
San Francisco 136 167
San Jose 90 140
Tampa 82 98
develop a scatter diagram for these data with the room rate as the independent variable
what does the scatter diagram developed in part (a.) indicate about the relationship between the two variables
develop the least squares estimated regression equation
provide an interpretation for the slope of the estimated regression equation
the avg room rate in Chicago is $128 considerably higher than the U. S avg predict the entertainment expense per day in Chicago