Question 4 0/1 pt 5 3 99 Question 1 0/1 pt 9 3 99 Interpret the Correlation Coefficient 0.8 The correlation coefficient, r, is a number between It is Strong Positive 0 and oo O It is Weak Negative O 0 and 100 O It is Strong Negative O - oo and co O It is Weak Positive O 0 and 10 O 0 and 1 Question Help: Video Message instructor O -10 and 10 Question 5 0/1 pt 9 3 99 O -1 and 1 Hint: Help Choose the most appropriate completion of the sentence. In order to indicate a strong correlation between variables, the correlation coefficient will be Question Help: Message instructor O near 1 Question 2 0/1 pt 9 3 99 O near -1 Which correlation coefficient does not belong with the other three? O near 1/2 O near 10 Or = 0.95 O near -1 or 1 Or = - 0.97 near 0 Or = - 0.01 Or = 0.97 Question Help: Message instructor Question Help: Video Message instructor Question 6 0/1 pt 9 3 99 Question 3 0/1 pt 9 3 99 Which of the following pairs of variables is likely to have a positive correlation? Check all that apply. Choose the most appropriate completion of the sentence. O Years of education and salary In order to indicate a strong negative correlation between variables, the correlation coefficient will be OThe speed of a car and the time to its destination O A person's height and their favorite color O near 10 O The square footage of a home and its price near 0 O The number of miles run and the number of calories burned O Greater than or equal to 0.7 O Less than or equal to -0.7 or greater than or equal to 0.7 O near - 10 O Less than or equal to -0.7 Question Help: Video Message instructor near 1/2researcher found the correlation between age of death and number of cigarettes smoked per day to Match each scatterplot shown below with one of the four specified correlation coefficients. be -0.95. Based just on this information, the researcher can justly conclude that smoking causes early death. a. -0.99 O false b. 0.93 O true c. 0. 19 O Hint: Help d. -0.37 O Question Help: Message instructor O Q Question 8 0/1 pt 9 3 99 O V C yo V O HOT O O O O C O O O QYUCOLIVII IV Match each scatterplot shown below with one of the four specified correlations. Match each scatterplot shown below with the best desciption of its correlation. a. -0.97 b. -0.30 O O c. 0.09 d. 0.95 O No correlation O OO AO C 8 O O OFF +0- Positive Correlation V O O YC O O Poo Co - Negative correlation V O O O O Q O O Question Help: Video Message instructor Question 11 0/1 pt 5 3 99 Question Help: Video Message instructor annaction 10Match each scatterplot shown below with one of the four specified correlations. 80 O a. -o.33 b.-0.86 o '9 00: D0 80 c.0.75 _ v 0 d. 0.21 o o o O % O o 0 Q o o O o O o o o 00 Question Help: 8 Message instructor . Question 12 80/1 pt '03 899 Here is a scatter plot for a set of bivan'ate data. L2 What would you estimate the correlation coefficient to be? -0.9 -O.6 0 0.6 0.9 Hint: Help Question Help: B Message instructor . Question 13 80/1pt'03 B99 The scatter plot shows the sizes and annual rents of some office spaces in the downtown area of a city. ' SIZE AND ANNUAL RENT OF OFFICE SPACE \"0,000 '05 000 mono muons) 35.000 o 500 1,000 1.500 2,000 2,500 3,000 3,500 moo ofaspx-(lqu-ntut) What would the line of best fit reveal about these data? There is a strong positive relationship between the cost of rent and the size of the office space. There is a strong negative relationship between the cost of rent and the size of the office space. There is a weak positive relationship between the cost of rent and the size of the office space. There is a weak negative relationship between the cost of rent and the size of the office space