Grouped Frequency Table

What are the class widths (in order) of the classes in this grouped frequency table?

• 2, 3, 1, 2, 5

• 2, 2, 1, 3, 10

• 2, 2, 3, 1, 10

• 3, 1, 2, 2, 5

What are the lower bounds (in order) of the classes in this frouped frequency table?

• 0, 40, 80, 120, 160, 200

• 40, 80, 120, 160, 200, 240

• 1, 41, 81, 121, 161, 201

• 39, 79, 119, 159, 199, 239

How many pieces of data have been recorded in the class 2 < p < 4?

• 4

• 80

• 90

• 2

• 40

What are the lower bounds (in order) of the classes in this grouped frequency table?

• 40, 45, 50, 55, 60, 65

• 45, 50, 55, 60, 65, 70

• 41, 46, 51, 56, 61, 66

• 44, 49, 54, 59, 64, 69

Find the midpoint of the class 120 < h < 160

• 140

• 130

• 150

• 135

• 145

What is the lower bound of the class 60 < m < 65

• 65

• 59.5

• 64.5

• 60

What is the class width of the class 0 < h < 40

• 20

• 41

• 40

• 39

How many pieces of data have been recorded in the class 10 < p < 20?

• 40

• 120

• 80

• 100

Find the midpoint of the class 4 < p < 5

• 4.5

• 4.4

• 4.6

• 4

• 5

Find the midpoint of the class 10 < p < 20

• 15

• 14

• 16

• 12

• 15.5