Exploring Stem and Leaf Plots

What is the primary purpose of a stem and leaf plot?

• To draw graphs of functions

• To organize data and show distribution

• To solve algebraic expressions

• To calculate complex equations

What does the 'stem' in a stem and leaf plot represent?

• The average value of the data

• The first one or two digits of the numbers

• The highest value in the data

• The last digit of each number

How many students' grades were used to create the stem and leaf plot?

• 10 students

• 14 students

• 12 students

• 16 students

Which range of grades contains the most common scores?

• 60-70

• 90-100

• 80-90

• 70-80

What is the range of the dataset used in the stem and leaf plot?

• 50

• 41

• 35

• 45

What is the mode of the dataset?

• 95

• 75

• 90

• 85

What is the mean of the grades?

• 82.5

• 80.5

• 78.5

• 84.5

What is the median of the grades?

• 82

• 84

• 88

• 86

What percentage of the class scored 80 or higher?

• 57%

• 60%

• 65%

• 70%

What percentage of the students failed the class, scoring 69 or less?

• 12%

• 14%

• 16%

• 18%