Creating Stem and Leaf Plots from Data Points

Mrs. Ville introduces the concept of a stem-and-leaf plot using Ashland's basketball scores. She explains how to order the scores and construct the plot, detailing the process of adding scores to the plot. The video concludes with finalizing the plot by adding a key and using it to answer questions and make predictions about future scores.

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

• To organize data in a chronological order

• To display data in a graphical format

• To calculate the mean of the data

• To compare different datasets

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

• The decimal part of the numbers

• The hundreds place of the numbers

• The tens place of the numbers

• The individual units of the data

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

• The average score per game

• The total number of games

• The units digit of scores

• The tens digit of scores

How many games did Ashland's team score exactly 10 points?

• Three games

• One game

• Two games

• Four games

Which score appears most frequently for Ashland's basketball team?

• 10 points

• 21 points

• 23 points

• 31 points

Why is there no stem for the 40s in Ashland's scores?

• It was mistakenly omitted

• The data was not available

• No games were scored in the 40s

• The plot only shows scores above 50

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

• It indicates the number of games played

• It helps to read the plot correctly

• It shows the highest score

• It lists all possible scores

How many games did Ashland's basketball team play?

• 20 games

• 18 games

• 15 games

• 12 games

In how many games did Ashland score more than 20 points?

• Eight games

• Nine games

• Six games

• Seven games

If Ashland's basketball team plays another game, how many points are they likely to score based on the plot?

• 17 points

• 21 points

• 23 points

• 10 points