Use a stem-and-leaf plot that has two rows for each stem to display the data, which represent the income (in millions) of 30 of the highest paid athletes. Describe any patterns. 36 36 44 50 35 55 56 67 46 44 43 81 53 38 73 60 40 What best describes the data? 34 38 85 63 46 37 34 53 41 Determine the leaves in the stem-and-leat plot below. Key: 313=33 Income ($ millions) 3 + 50 m₂ on 76 45 34 D 42 45 68 O A. Most of the incomes are less than 60 million dollars. OB. Most of the incomes are between 50 and 70 million dollars. OC. The incomes are evenly spread between 30 and 90 million dollars. O D. Most of the incomes are greater than 60 million dollars. C 24

Twenty members of a health club who jog were asked how many miles they jog per week. The responses are to the right. Construct a stem-and-leaf display. For single digit data, use a stem of 0. Complete the stem-and-leaf display. (Use ascending order.) ... 13 125 19 15 17 2 22 31 129 41 23 34 18 19 24 19 12 14 18 15

A pediatrician wants to determine the relation that may exist between a child's height and head circumference. She randomly selects 8 children from her practice, measures their height and head circumference, and obtains the data shown in the table. Complete parts (a) through (e) below. Height (in.) Head Circumference (in.) O 27.25 17.5 25.25 16.9 Click here to see the Table of Critical Values for Correlation Coefficient. 26.5 17.3 25 17 28 17.6 26.25 17.2 Data Table 26.25 17.1 27.25 17.3 Critical Values for Correlation Coefficient n 3 0.997 4 0.950 0.878 0.811 7 0.754 8 0.707 0.666 10 0.632 11 0.602 12 0.576 13 0.553 14 0.532 15 0.514 16 0.497 17 0.482 18 0.468 19 0.456 20 0.444 21 0.433 22 0.423 23 0.413 24 0.404 25 0.396 26 0.388 27 0.381 28 0.374 29 0.367 30 0.361 ..... (1,1) More n

the box plot below shows the lengths (in hours) of commuters’ trips to work. How long is the median trip to work? b.       Compare the number of people whose trip is 0 – 0.5 hours long to the number of people whose trip is 1 – 3 hours long. Explain your reasoning. c.       Do more people travel 1 – 3 hours than travel 0.5 – 1 hour? Explain