Consider the grouped frequency distribution below, in which the times (in minutes) it takes 40 students...
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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 fm² 25600 90000 H Cum. Freq 4 13 26 176400 J Zfm² 128000 40 1 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 fm² 25600 90000 H Cum. Freq 4 13 26 176400 J Zfm² 128000 40 1
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Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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