can i get 9, 10,11,12 and 13 answers?

Review Questions AP2-2 5. The lengths (in feet) of 142 roller coasters are summa- 7. The resting heart rates (in beats per minute) of 228 rized in the following histogram. adults are summarized in the following histogram. Frequency Frequency 35 50 30 40 25 20 18 30 15 20 10 8 7 10 500- 2000- 7500 Length (feet) Resting heart rate (beats per minute) What is the proportion of roller coasters with length less Which of the following values best describes a typical than 2500 feet? resting heart rate for this sample? (A) 0.500 (D) 0.232 (A) 48 beats per minute B) 0.380 (E) 0.099 B) 60 beats per minute (C) 0.268 C) 65 beats per minute 6. Which of the following stem-and-leaf plots corre- D) 75 beats per minute sponds to a data distribution that is negatively (left) (E) 80 beats per minute skewed? 8. If a frequency distribution is based on intervals of I. II. unequal widths, the vertical axis used to construct Leaf Unit = 0.10 Leaf Unit = 0.10 the corresponding histogram must use which of the following? QUAWNE 467789 8 23557 3569 (A) a frequency scale 2250 01789 B) a relative frequency scale 0238 1222778 C) a density scale 02567 (D) Either a frequency or a relative frequency scale can 011 16 be used. 10 E) A frequency, a relative frequency, or a density scale III. may be used. Leaf Unit = 0.10 Use the following information to answer questions 9-11. 0 00 -1 0 LA & W 3 8 The frequency distribution shown summarizes data on 35 the percentage of college students enrolled in public 1789 institutions for the 50 U.S. states. 22778 0567 16678 Percentage Enrolled Frequency 10 1234669 (A) I only 40 to