find the percentile for the data value: 128.\n20) data set: 122 134 126 120 128 130 120 118 125 122 126 136…

find the percentile for the data value: 128.\n20) data set: 122 134 126 120 128 130 120 118 125 122 126 136 118 122 124 119.\na) 75\nb) 85\nc) 62\nd) 70\n20) \nfind p56.\n21) the test - scores of 40 students are listed below.\n30 35 43 44 47 48 54 55 56 57\n59 62 63 65 66 68 69 69 71 72\n72 73 74 76 77 77 78 79 80 81\n81 82 83 85 89 92 93 94 97 98\na) 73\nb) 74\nc) 22.4\nd) 73.5\n21) \nfind expected value.\n22) suppose you pay $2.00 to roll a fair die with the understanding that you will get back $4.00 for rolling a 2 or a 3, nothing otherwise. what is your expected value?\na) -$0.67\nb) $2.00\nc) $4.00\nd) -$2.00\n22) \nconstruct a box - plot for the given data. include values of the 5 - number summary in all box - plots.\n23) the ages of the 35 members of a track and field team are listed below.\n15 16 18 18 18 19 19\n20 20 21 21 22 22 23\n23 24 24 24 25 25 26\n27 27 28 29 29 30 31\n31 33 34 35 39 42 48\na)\n15 20 24 30 48\nb)\n15 20 24 29 48\nc)\n15 20 24 34 48\nd)\n15 20 22 30 48\n23) \nfind standard deviation.\n24) on a multiple - choice test with 29 questions, each question has four possible answers, one of which is correct. for students who guess at all answers, find the standard deviation for the number of correct answers. round to one decimal place.\na) 5.4\nb) 2.3\nc) 29.6\nd) 54.4\n24)

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