The frequency distribution below summarizes the home sale prices in the city of Summerhill for the month of June. Determine the width of each class. Round to the nearest whole number as needed. Sale Price (in thousand $) Frequency 80.0 - 110.9 111.0 - 141.9 142.0 - 172.9 173.0- 203.9 10 204.0 - 234.9 - w 235.0 -265.9 O A. 30 O B. 31 O C. 28 DD. 61 Click to select your answer. MacBook Pro esc Q @ # 3 5 6 7 8 O O 2 O P Q W E R T Y U tab A S D F G H K s lockUse the following cell phone airport data speeds (Mops) from a particular network. Find the percentile corresponding to the data speed 1.5 Mops. 0.2 0.2 0.3 0.4 0.5 0.6 0.7 0.7 0.8 0.7 0.8 0.7 0.7 9 0.8 0.9 1.1 1.2 1.7 1.3 1.5 2.1 2.2 2.4 1.6 2.5 2.6 5.3 2.8 3.2 5.9 3.7 4.9 6.4 PM 6.8 7.1 8.5 10.7 11.5 11.2 12.8 11.3 12.8 11.4 13.1 13.2 13.3 13.5 15.3 15.6 25.3 Percentile of 1.5 = (Round to the nearest whole number as needed.) AM Enter your answer in the answer box. ? it took me back to it MacBook ProThe data in the table to the right are based on the results of a survey comparing the commute time of adults to their Commute Time Well-Being score on a well-being test. Complete parts (a) through (c) below. (in minutes) Score 6 69.6 Click the icon to view the table of critical values of the correlation coefficient. 15 68.8 23 67.6 35 67.5 50 66.2 65 65.5 103 63.6 (a) Draw a scatter diagram of the data. Which of the following represents the data? OA O B. O C. D. 70 110 1108 Score Time (min) Time (min) Score OHHAHHHHTZ 110 60 70 60 70 110 Time (min) Score Time (min) Score (b) Determine the linear correlation coefficient between commute time and well-being score. r= (Round to three decimal places as needed.) (c) Does a linear relation exist between the commute time and well-being index score? Select the correct choice below and fill in the answer box to complete your choice. (Round to three decimal places as needed.) Click to select your answer(s). ? it took me back to itA graduate teaching assistant for an Introduction to Statistics course collected data from one of her classes to investigate the relationship between using the explanatory variable x = study time per week (average number of hours) to predict the response variable y = college GPA. For the 21 females in her class, the correlation was 0.42. For the eight males in her class, the data were as shown in the following table. Complete parts a through c below. Student 2 3 5 6 8 Study Time 11 15 5 10 13 20 26 PM GPA 2.9 3.2 3.4 2.6 3.1 2.7 3.9 3.8 a. Construct a scatterplot. Interpret. Which scatterplot below correctly shows the data? O A. O B. O c. O D. AM Ay Ay 4 40 40 40 40 b. Find and interpret the correlation. The correlation is. (Round to two decimal places as needed.) The correlation shows association between the two variables, with longer study times associated with GPAs. Click to select your answer(s). ? it took me back to it MacBook Pro
