The sample correlation coefficient for the relationship between sales increase and dollars spent on advertising is...
The sample correlation coefficient for the relationship between sales increase and dollars spent on advertising is r = 0.954. WHAT PERCENTAGE OF THE VARIABILITY IN SALES INCREASE CAN BE EXPLAINED BY THE REGRESSION LINE, USING ADVERTISING DOLLARS AS THE PREDICTING VARIABLE? Show work here.
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The sample correlation coefficient for the relationship between
sales increase and dollars spent on advertising is...
A sales manager for an advertising agency believes there is a relationship between the number of...
A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this, the following data was collected: Sales ($) Contacts 25,000 15 16,000 15 28,000 20 60,000 18 80,000 46 35,000 24 85,000 45 80,000 45 95,000 55 110,000 52 Which is the: Independent variable? ___________________ Dependent variable? ___________________ Calculate the coefficient of correlation and interpret the results. Determine both the coefficient of determination and non-determination...
Quick-print firms in a large downtown business area spend most of their advertising dollars on displays...
Quick-print firms in a large downtown business area spend most of their advertising dollars on displays on bus benches. A research project involves predicting monthly sales based on the annual amount spent on placing ads on bus benches. A sample of quick-print firms revealed these advertising expenses and sales. Annual Bus Bench Advertising ($ thousands)thousands) Firm Monthly Sales 10 40 30 50 20 4 a.)Determine whether a significant linear relationship exists between these two variables using the.05 significance level b.)Determine...
6 A market manager condacted a study to determine whether there is a linear relatioreship betwecn money spent and advertising and company sales. Determine if there is a linear correlation or not....
6 A market manager condacted a study to determine whether there is a linear relatioreship betwecn money spent and advertising and company sales. Determine if there is a linear correlation or not. Uise a-0.05 Advertising Expnscs 24 1.6 2.0 2.6 14 16 20 22 Company184 Sales 225 184 220 240 180 184 186 215 (Each one times $1000) Find: a) The correlation coefficient r b) In your opinion, is there a strong linear correlation? Weak lincar correlation? Explain c) What...
BBA 403 TEST 3: Name: Score:_ SOLVE AND THOROUGHLY INTERPRET YOUR ANSWER 1. A marketing manager conducted a study to determine whether there is a linear relationship between many spent on adverti...
BBA 403 TEST 3: Name: Score:_ SOLVE AND THOROUGHLY INTERPRET YOUR ANSWER 1. A marketing manager conducted a study to determine whether there is a linear relationship between many spent on advertising and company sales. The data are shown on the table below. Display the data in a scatter plot, calculate the correlation coefficient, state a conclusion, and interpret the result Adverstising Company Expense, (1000s of s) (1000s of ) 2.4 16 2.0 26 14 1.6 2.0 2.2 184 220...
What is the critical value for the linear correlation coefficient, r, for a sample of size...
What is the critical value for the linear correlation coefficient, r, for a sample of size n = 15 with α = .01 ? (Round to the nearest thousandth. The linear correlation coefficient for a set of paired variables is r = .897. What proportion of the variation in y can be explained by the linear relationship between x and y? (Type the percentage rounded to the nearest hundredth without the % sign. The linear regression equation for a set...
Use the value of the linear correlation coefficient r to find the coefficient of determination and...
Use the value of the linear correlation coefficient r to find the coefficient of determination and the percentage of the total variation that can be explained by the linear relationship between the two variables. r=0.694 What is the value of the coefficient of determination? r2=______ (Round to four decimal places as needed.) What is the percentage of the total variation that can be explained by the linear relationship between the two variables? Explained variation=______% (Round to two decimal places as...
Use the value of the linear correlation coefficient to find the coefficient of determination and the...
Use the value of the linear correlation coefficient to find the coefficient of determination and the percentage of the total variation that can be explained by the near relationship between the two variables r=0.316 What is the value of the coefficient of determination? 7- (Round to four decimal places as needed.) What is the percentage of the total variation that can be explained by the linear relationship between the two variables? Explained variation - (Round to two decimal places as...
1.) If the correlation between age of an auto and money spent for repairs is +.90...
1.) If the correlation between age of an auto and money spent for repairs is +.90 a) 81% of the variation in the money spent for repairs is explained by the age of the auto b) 81% of money spent for repairs is unexplained by the age of the auto c) 90% of the money spent for repairs is explained by the age of the auto d) none of the above 2.) The correlation coefficient for X and Y is...
please answer it quikly this quizz has time frame Topic Task 11: Regression and Correlation Data...
please answer it quikly this quizz has time frame
Topic Task 11: Regression and Correlation Data Sheet This data and record sheet is required for you to complete the online Topic Task. Please print this sheet BEFORE you attempt to open the Topic Task 11. You will need this information in front of you when doing the task. You will also need a pencil/pen and your calculator Do not clear the data from your calculator between questions, as you will...
A random sample of 15 weeks of sales (measured in $) and 15 weeks of advertising...
A random sample of 15 weeks of sales (measured in $) and 15 weeks of advertising expenses (measured in $) was taken and the sample correlation coefficient was found to be r = 0.80. Based on this sample correlation coefficient we could state A. That the percentage of the variation in sales that is shared with the variation in advertising is about 80%. B. That the percentage of the variation in sales that is shared with the variation in advertising...
Quick-print firms in a large downtown business area spend most of their advertising dollars on displays on bus benches. A research project involves predicting monthly sales based on the annual amount spent on placing ads on bus benches. A sample of quick-print firms revealed these advertising expenses and sales. Annual Bus Bench Advertising ($ thousands)thousands) Firm Monthly Sales 10 40 30 50 20 4 a.)Determine whether a significant linear relationship exists between these two variables using the.05 significance level b.)Determine...
6 A market manager condacted a study to determine whether there is a linear relatioreship betwecn money spent and advertising and company sales. Determine if there is a linear correlation or not. Uise a-0.05 Advertising Expnscs 24 1.6 2.0 2.6 14 16 20 22 Company184 Sales 225 184 220 240 180 184 186 215 (Each one times $1000) Find: a) The correlation coefficient r b) In your opinion, is there a strong linear correlation? Weak lincar correlation? Explain c) What...
BBA 403 TEST 3: Name: Score:_ SOLVE AND THOROUGHLY INTERPRET YOUR ANSWER 1. A marketing manager conducted a study to determine whether there is a linear relationship between many spent on advertising and company sales. The data are shown on the table below. Display the data in a scatter plot, calculate the correlation coefficient, state a conclusion, and interpret the result Adverstising Company Expense, (1000s of s) (1000s of ) 2.4 16 2.0 26 14 1.6 2.0 2.2 184 220...
Use the value of the linear correlation coefficient to find the coefficient of determination and the percentage of the total variation that can be explained by the near relationship between the two variables r=0.316 What is the value of the coefficient of determination? 7- (Round to four decimal places as needed.) What is the percentage of the total variation that can be explained by the linear relationship between the two variables? Explained variation - (Round to two decimal places as...
please answer it quikly this quizz has time frame
Topic Task 11: Regression and Correlation Data Sheet This data and record sheet is required for you to complete the online Topic Task. Please print this sheet BEFORE you attempt to open the Topic Task 11. You will need this information in front of you when doing the task. You will also need a pencil/pen and your calculator Do not clear the data from your calculator between questions, as you will...
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