SOLUTION: what is Q1 Q2 and Q3 of this set of data 43 45 53 56 56 57 57 58 66 73 74 79 80 80 81 81 81 82 82 83 83 84 88 89 91 91 92 97 99 99 100 101 102 102 103 104 107 108 109 113 114 118 1

Algebra ->  Probability-and-statistics -> SOLUTION: what is Q1 Q2 and Q3 of this set of data 43 45 53 56 56 57 57 58 66 73 74 79 80 80 81 81 81 82 82 83 83 84 88 89 91 91 92 97 99 99 100 101 102 102 103 104 107 108 109 113 114 118 1      Log On


   

Question 266533: what is Q1 Q2 and Q3 of this set of data 43 45 53 56 56 57 57 58 66 73 74 79 80 80 81 81 81 82 82 83 83 84 88 89 91 91 92 97 99 99 100 101 102 102 103 104 107 108 109 113 114 118 121 123 126 128 137 138 139 144 156 162 174 178 179 184 191 198 211 214 243 149 329 380 403 507 510 511 514 520 521 522 530 53 533 540 541
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what is Q1 Q2 and Q3 of this set of data 43 45 53 56 56 57 57 58 66 73 74 79 80 80 81 81 81 82 82 83 83 84 88 89 91 91 92 97 99 99 100 101 102 102 103 104 107 108 109 113 114 118 121 123 126 128 137 138 139 144 156 162 174 178 179 184 191 198 211 214 243 149 329 380 403 507 510 511 514 520 521 522 530 53 533 540 541
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There are 77 data values arranged in ascending order.
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Find the "locator" for Q1 = 25%ile
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Locator = (0.25)77 = 19.25 rounded up = 20
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Q1 is the 20th element = 83
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Do the same for Q2 = 50%ile and for Q3 = 75%ile
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Cheers,
Stan H.