Exploring Stem and Leaf Plots

What does each leaf in a stem and leaf plot represent?

• None of the above

• A unique data point

• A summary of several data points

• A decimal value

Why should all potential stem values be included in a stem and leaf plot?

• To avoid gaps in the data representation

• To increase the complexity of the plot

• To represent decimal values

• None of the above

How is a decimal point represented in a stem and leaf plot?

• None of the above

• With a dot

• With a line

• With a comma

What does the key in a stem and leaf plot explain?

• The representation of stems and leaves

• The summary of data points

• None of the above

• The range of data

In the example of phone call lengths, what is the stem for single-digit numbers?

• None of the above

• 10

• 0

• 1

How many students scored less than eight points?

• Six

• Five

• Four

• Three

What score range contains the majority of student scores?

• None of the above

• 9.0 to 10.0

• 7.0 to 7.9

• 8.1 to 8.9

What is the median height of the house plants as shown in the stem and leaf plot?

• 10 inches

• 11 inches

• 12 inches

• 13 inches

Which number appears most frequently in the house plant heights data?

• 12

• 10

• 13

• 11

What is the mean height of the house plants?

• None of the above

• 11.2 inches

• 11.0 inches

• 10.8 inches