3. Consider the result of a fictional Statistics final exam taken by 120 students, as given in the following frequency distribution: Grade Less than 50 50 - 59 60 - 69 70 - 79 80 - 89 90 - 100 Frequency 15% 10% 30% 25% 15% 5% How many students received at least a 70 in this exam? A. 54 25 45 D. B.

Here is a set of sample data. 83 89 32 94 18 38 74 30 79 21 84 99 88 25 72 46 93 49 5 7 28 82 52 47 19 85 58 22     Base on the data above, identify the 5 number summary , , , ,

2.  Please answer this question ASAP. Please circle all answers, please be organized.

(a) Determine the population mean pulse. The following data represent the pulse rates (beats per minute) of nine students enrolled in a statistics course. Treat the nine students as a population. Complete parts (a) through (c). The population mean pulse is approximately beats per minute. (Round to one decimal place as needed.) Student Pulse O Perpectual Bempah 81 Megan Brooks Jeff Honeycutt 75 75 Clarice Jefferson 84 Crystal Kurtenbach 90 Janette Lantka 71 Kevin McCarthy 67 Tammy Ohm 71 Kathy Wojdya 85