Exploring Adding and Subtracting Rational Expressions

What is the 'leaf' in a stem-and-leaf plot?

• None of the above

• The last digit of the data value

• The first digit of the data value

• The middle digit of the data value

What statistical measure is calculated by subtracting the smallest data value from the largest?

• Range

• Mode

• Median

• Mean

Which score appeared most frequently in the football scores example?

• 24

• 12

• 21

• 35

What was the mean of the football scores?

• 21

• 24

• 35

• 12

How many movies had a running time of at least two hours?

• 8

• 10

• 5

• 3

What was the mode of the movie running times?

• 94

• 101

• 116

• 130

In creating a stem-and-leaf plot, what does the 'stem' typically represent?

• All digits except the last

• Only the last digit

• The highest value

• The lowest value

What range of GPAs had the majority in the student GPA example?

• 3.0 to 3.9

• 2.0 to 2.9

• 4.0

• 1.0 to 1.9

Which student had a higher median math grade, Jack or Lily?

• Jack

• Data not sufficient

• Lily

• Both had the same

What was the mean score of Jack in the math grades comparison?

• None of the above

• 88

• 78

• 73