Understanding Stem and Leaf Plots

In this video, Mr. J explains how to read a stem and leaf plot, focusing on examples with three-digit numbers. Stem and leaf plots are used to organize and display data, with stems representing the hundreds and tens places, and leaves representing the ones place. The video provides a detailed walkthrough of interpreting these plots using examples of business orders over 20 days, including specific examples in the 220s and 230s. The tutorial aims to simplify the understanding of stem and leaf plots, making them easy to read and interpret.

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

• To organize and display data

• To calculate averages

• To solve equations

• To compare two datasets

In a stem and leaf plot, what do the stems typically represent?

• The thousands place

• The ones place

• The tens and hundreds place

• The decimal place

What does a leaf of 9 represent if the stem is 22?

• 229

• 292

• 922

• 9229

What is the purpose of the key in a stem and leaf plot?

• To show the total number of data points

• To provide a summary of the data

• To explain how to interpret the stems and leaves

• To compare different datasets

If a stem is 24 and a leaf is 8, what number does it represent?

• 428

• 248

• 284

• 824

Which of the following is NOT a correct interpretation of a stem and leaf plot?

• Leaves represent the ones place

• Leaves can represent single digits

• Stems represent the hundreds and tens place

• Stems can represent decimal places

How many orders are there in the 220s according to the plot?

• 5

• 2

• 3

• 7

What is the number represented by a stem of 23 and a leaf of 7?

• 372

• 237

• 273

• 327

If you have a stem of 23 and leaves of 2, 3, 7, 7, 8, and 9, what is the highest number?

• 232

• 237

• 239

• 238

What is the correct order of numbers for a stem of 22 with leaves 3, 4, 6, 8, and 9?

• 229, 228, 226, 224, 223

• 224, 223, 226, 229, 228

• 223, 224, 226, 228, 229

• 223, 226, 224, 229, 228