The paired data below consist of the costs of advertising (in thousands of dollars) and the...
Question 10 6 pts The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands): Cost 9 4 2 3 Number 85 68 53 55 Find the value of the linear correlation coefficient r. 0.246 0.708 0.9703 0.235
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Find the value of the linear correlation coefficient r. The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands) 35 83 Cost 92 3 4259 10 Number 85 52 55 68 67 86 83 73 O A.-0.071 O B. 0.708 O c. 0.235 OD. 0.246
are 2 and 3 correct
2) Find the equation of the least squares line.The paired data below consist of the costs of advertising 2) (in thousands of dollars) and the number of products sold (in thousands). Cost (x) 92 3 4 2 5 9 10 Number (y) 85 52 55 68 67 86 83 73 A) y -26.4-1.42x C) y 55.8+2.79x B) y 55.8-2.79x D) y 26.4 1.42x 3) Use the equation of the least squares line obtained in the...
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant positive linear correlation between advertising cost and profit . Use a significance level of 0.05 and round all values to 4 decimal places. Advertising Cost Profit 3 14 4 17 5 20 6 27 7 17 8 31 9 27 Ho: ρ = 0 Ha: ρ > 0 Find the Linear Correlation...
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant positive linear correlation between advertising cost and profit . Use a significance level of 0.05 and round all values to 4 decimal places. Advertising Cost Profit 3 19 4 27 5 23 6 30 7 17 8 24 9 20 Ho: ρ = 0 Ha: ρ > 0 a. Find the Linear...
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant positive linear correlation between advertising cost and profit. Use a significance level of 0.06 and round all values to 4 decimal places. Advertising Cost Profit 3 17 4 24 5 25 6 18 7 29 8 23 9 28 10 34 11 35 R vector x values: 3,4,5,6,7,8,9,10,11 R vector y values:...
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is a significant positive linear correlation between advertising cost and profit. Use a significance level of 0.01 and round all values to 4 decimal places. Advertising Cost Profit 3 23 4 18 5 18 6 28 7 28 8 23 Ho: p=0 Ha: p > 0 Find the Linear Correlation Coefficient Find the p-value p-value-...
Question # 3. The following data set records the cost of advertising (in thousands of dollars) and the number of prescriptions written for a new drug (in thousands). Cost (x) 9 2 3 4 2 6 9 10 Number of prescriptions (y) 85 61 64 67 60 75 83 87 Using the above data: (Please use Minitab for parts a, b, d) a) A bivariate (scatter) plot for the data set. (5 points) b) Find the correlation (r) and its...
4:13 7 11 Exit O 2 PM Question 20 5 pts The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Hours 5 10 4 6 10 9 Score 64 86 69 86 59 87 Find the value of the correlation coefficient r for this data. 0.224 0.678 -0.224 -0.678 Question 21 5 pts Determine which plot shows the strongest linear correlation.
Find the value of the linear correl ation coefficient r. 25) The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. Hours | 5 10 4 6 10 9 Score 64 86 69 86 59 87