Asmall startup company wishes to know how many hours, per week, that its employees spend commuting to and from work. the number of hours for each employee are shown below. construct a frequency table for grouped data using four classes. 9, 18, 18, 14, 13, 4, 12, 9, 13, 10, 20, 12, 19, 20, 13, 3, 5, 20, 17, 1

Please read the answer below.

Step-by-step explanation:

There are 20 employees in the small startup company and this is the commute frequency table

Class 1 - 1 to 5 hours - 4 employees or 20%

Class 2 - 6 to 10 hours - 3 employees or 15%

Class 3 - 11 to 15 hours - 6 employees or 30%

Class 4 - 16 to 20 hours - 7 employees or 35%

80% of the employees commute 6 or more hours

65% of the employees commute 11 or more hours

35% of the employees commute 16 or more hours

20% of the employees commute 5 or less hours

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

yes

yes yes yes