Data Interpretation Stem and Leaf

How many players throw a minimum of 97.2 mph?

• 9

• 6

• 1

• 10

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle. Any student’s mark is less than 50%, he or she must re-sit the test. How many students do not have to re-sit the test?

• 1

• 19

• 20

• 17

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle.
How many students are in 1 Gentle?

• 20

• 32

• 86

• Not mentioned in the diagram

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle.

Work out the range of the data.

• 86

• 32

• 54

• Not mentioned in the diagram

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle.
Find the mode.

• 50

• 63

• 69

• 50, 63, 69

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle. Find the mean.

• 1281

• 64.05

• 86

• 42.7

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle.
What percentage of the students had the mark greater than 65?

• 0.45 % 

• 65 %

• 67 %

• 45 %

The stem-and-leaf diagram shows the marks of Mathematics out of 100% in 1 Gentle. Jamie has the mark of 63. She tells her parents that her marks are the average score in 1 Gentle. Does Jamie refer to her score based on mode, median or mean?

• mode

• median

• mean

• I don't know

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.

32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81

He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?

• 32

• 44

• 65

• 84

For the number 58, 5 is in the _____ column, and 8 is in the ____ column.

• stem, leaf

• leaf, steam

• weight crate