Question: Consider the grouped frequency distribution below, in which the times (in minutes) it takes 40 students to complete an examination. Class (min) 70 <

Consider the grouped frequency distribution below, in which the times (in minutes) it takes 40 students to

Consider the grouped frequency distribution below, in which the times (in minutes) it takes 40 students to complete an examination. Class (min) 70 < 90 90 110 K 110 < 130 130 < 150 150 < 170 Freq, f Midpoint, 4 9 13 O 5 40 A. 110 130 B. 130 150 OC. 70 < 90 D. 90 m 80 110 100 120 V 160 fm 320 W 1560 1260 Which class contains the lower quartile? 800 Zfm fm 25600 90000 H Cum. Freq 4 13 26 176400 J Zfm 128000 40 1

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