Question

Consider the following sample: 16, 13, 10, 17, 16, 14, 5, 12, 15, 8, 9, 10, 15, 22, 8. Calculate the variance and interquartile range of the sample, respectively. A. 19.38; 7 B. 15.7; 7 C. 4.40; 7 D. 19.38; 7.5 E. 19.38; 6.5

Answer 1

رمولہ of the car travels at then - 90 knother. time Speed time 150 90 1.6667 hours time taken will be 1.6667 hours. = Sample to 116, 13, 10, 17, 16, 14, 5, 12, 15, 8, 9,10 15, 22, f. flist, we Calculate mam Mean = 16+ 13+ lot 14+ 16+ 14+ 5+12+ 15 + 8+ 9+10 +IC+22+8 15 을 = 12-67 Varlance = E (ni-n)? n=15 here. Varlance 11.08 + 0.10+ 17.12 + 18.74 +11.08 + 1.76 +68-82+ 0.44+ 5.42 +21-80+13-46+7.12 + 5.42+ 87.04+ 21.80 14 17 19.38

Now for Interquartile range LORE 03-01 07 median upper half median where 03 Q2 of of lower half. whole sample median from the sample since n= 15 02 Est 17th team 8th them 12 mediam of 16, 13, 10, 17, 16, 14,5 17. 03 medlem af 15, 8, 9, 10, 15, 22,8 10 DOR 17-10 7. A option is correct