Analyzing Sleep Patterns of Sixth Graders

The video tutorial by Mr. Holcomb covers the creation and interpretation of dot plots and frequency tables. It begins with an introduction to dot plots, using an example of analyzing sleep data from sixth graders. The tutorial explains how to construct a dot plot and interpret the data. It then moves on to frequency tables, demonstrating how to build and interpret them using data on hours spent playing sports. The video emphasizes understanding data distribution and identifying central tendencies.

What statistical question did Robert decide to investigate?

• What is the favorite subject of sixth graders?

• How many hours per night do sixth graders sleep when they have school the next day?

• How many hours do sixth graders spend on homework?

• How many hours do sixth graders play video games?

What is the first step in creating a dot plot according to the lesson?

• Collecting data from a survey

• Drawing a number line from the lowest to the highest number

• Calculating the average of the data

• Writing a summary of the data

In Robert's dot plot, which number of hours of sleep occurred most frequently?

• 9 hours

• 10 hours

• 8 hours

• 7 hours

How does the teacher's sleep schedule compare to the sixth graders' average sleep?

• The teacher sleeps the same amount as the sixth graders

• The teacher sleeps less than the sixth graders

• The teacher's sleep schedule is not mentioned

• The teacher sleeps more than the sixth graders

What is the center of the data for the number of hours slept when there is no school?

• 10 hours

• 9 hours

• 8 hours

• 11 hours

How many more hours do students tend to sleep when there is no school the next day?

• 3-4 hours more

• 4-5 hours more

• 2-3 hours more

• 1-2 hours more

What is the first step in creating a frequency table?

• Collecting data

• Calculating the average

• Drawing a number line

• Creating three columns for number of hours, tally, and frequency

In the frequency table, what is the maximum number of hours spent playing sports or games outdoors?

• 11 hours

• 10 hours

• 13 hours

• 12 hours

How many students reported spending 8 hours or more playing sports or games outdoors?

• 3 students

• 2 students

• 4 students

• 1 student

What range of hours do most sixth graders spend playing sports or games outdoors?

• 8-10 hours

• 5-7 hours

• 2-4 hours

• 0-1 hours