Use the following to answer questions 7-9: Refer to the following wage breakdown

Question

Use the following to answer questions 7-9: Refer to the following wage breakdown for a garment factory. $ 4 up to $7 7 up to 10 10 up to 13 13 up to 16 18 36 20 7. What is the class width for the table of wages above? A) S2 B) 53 C) $4 D) $5 8. What is the class midpoint for the class with the greatest frequency? A) S 5.50 B) $ 850 C) $11.50 D) $14.50 9 What are the class limits for the class with the smallest number of frequencies? A) 3.5 and 6.3 B) 4 and up to 7 C) 13 and up to 16 D) 12.5 and 15.5 Use the following to answer questions 10-11 Refer to the following frequency distribution on days absent daring a calendar year by manufacturing company Days Absent 0 up to 3 3 up to 6 6 up to 9 9 up to 12 12 up to IS 60 31 14 0 How many employees were absent between 3 up to 6 days? A) 31 B) 29 C) 14 D) 2 How many employees were absent fewer than six days? A) 60 B) 31 C) 91

Explanation / Answer

(A) The class width is 3

(B) The highest frequency is 36, which is in the interval 7 upto 10. Therefore the class midpoint = (7+10)/2 = 8.5

(C) The Smallest Frequency is 7. The class limits are 13 upto 16

Class Frequency 4-7 18 7-10 36 10-13 20 13-16 7

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