Exploring Illustrative Mathematics Grade 6 Unit 8 Lesson 5

This video tutorial covers the use of dot plots to answer statistical questions. It includes activities analyzing backpack weights, phone usage, and typing speed improvements among students. The tutorial emphasizes understanding data distribution, center, and spread, and concludes with a summary and homework instructions.

What could a value of zero kilograms in the backpack weight dot plot indicate?

• The weight of the lightest backpack

• Backpacks made of lightweight material

• Students who forgot their backpacks

• Error in data collection

Which statement best describes a typical backpack weight according to the dot plot?

• Exactly at the midpoint of the dot plot

• More than 3 kilograms, considering the distribution

• 3 kilograms, as it's the most frequent weight

• 16 kilograms, as it's the maximum weight recorded

What percentage of students reported not using their phone during the week?

• 60%

• 12%

• 10%

• 40%

How many minutes per day do students typically spend talking on the phone?

• Less than 5 minutes

• More than 10 minutes

• 60 minutes

• About 9 minutes

Which dot plot shows students are more alike in their behavior?

• Both show similar behavior

• Neither, as the data is too spread out

• Time spent on homework

• Time spent talking on the phone

Do the sixth graders spend too much time on the phone?

• Insufficient data to determine

• Yes, significantly more than necessary

• No, they spend a typical amount of time

• Yes, but only a small percentage

Did students' typing speeds improve after the keyboard course?

• No improvement was observed

• Yes, for most students

• Data is inconclusive

• Yes, for all students

What is a good estimate for the center of the typing speed data set at the end of the course?

• 34 words per minute

• 8 words per minute

• 27 words per minute

• 20 words per minute

Is a rating of 6 a good description for the center of the data set on the importance of reducing pollution?

• Yes, it accurately represents the data set

• No, it does not represent the center

• No, because most values are higher than 6

• Yes, because it's the average value

How many pounds of cherries can Tyler buy with $10?

• Cannot determine from the given information

• 2.5 pounds

• 3 pounds

• 2 pounds