S2 Ch 6 More about Statistical Charts

Find the number of boys whose heights are 169.5 cm or above.

• 6

• 50

• 56

• 90

How many people spent 8.5 min to 23.5 min in reading newspaper on that day?

• 18

• 26

• 33

• 36

200 customers in a bookstore were interviewed. It is found that most of them will spend 20 min in the bookstore. Which of the following frequency curves can most probably represent the times spent by 200 customers in the bookstore?

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Which of the following can be a cumulative frequency curve?

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Which class interval has the most students?

• 10 min - 14 min

• 17 min - 22 min

• 25 min - 29 min

• 27 min - 32 min

What percentage of bottles whose capacities are below 162.5 mL?

• 24%

• 36%

• 68%

• 76%

If the pass mark of the test is 60, which class gets a higher pass rate?

• S2A

• S2B

• The same

• It cannot be found.

How many people are there in the group?

• 18

• 19

• 48

• 50

Find the number of students whose scores are 54 or above.

• 2

• 3

• 23

• 24

Find the number of customers who waited between 4 min and 6 min.

• 28

• 52

• 66

• 80