7. If the minimum value of data equal 10and maximum value of data equal 50 andthe number of class intervals equal 5, sothe width of each class interval equal:A. 5B. 10C. 12D. 8O E. 138. All the following are criteria's of normaldistribution curve except:A. It is symmetrical around the mean .B. The mean, median and mode aredifferent from each other.C. The total area under the curve above thex-axis is 1 square unit.D. Within +1 (0) contain there is about 68%of the area under the curve.E. Within ± 3 (o) contain about 99.7% of thearea under the curve.O

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Answered: 7. If the minimum value of data equal…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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7. If the minimum value of data equal 10 and maximum value of data equal 50 and the number of class intervals equal 5, so the width of each class interval equal: OA. 5 OB. 10 O C. 12 OD. 8 O E. 13