Histograms Centers and Spread

• The freshmen averaged 1 more coat collected than the sophomores.

• The freshmen averaged the same number of coats collected as the sophomores.

• The sophomores averaged 1 more coat collected than the freshmen

• The sophomores averaged 3 more coats collected than the freshmen.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• The minimum is 39

• The lower quartile is 44

• The median is 45

• The maximum is 51

• bimodal

• uniform

• multiple outlier

• skewed to the right

Which of the following is represented by the histogram?

• Of the 20 riders represented in the graph, over 50% are 30 years of age or older.

• One fourth of the riders represented in the graph are younger than 40 years old.

• Half the riders represented in the graph are between the ages 10-29.

• Six percent of the riders represented in the graph are between the ages 10 and 19.

The histogram shows the number of hours worked in the past week for a sample of 25 high school seniors.
"The median # of hours worked would fall between.....

• 15 and 20 hours

• 20 and 25 hours

• 25 and 30 hours

• 30 and 35 hours

• 35 and 40 hours

Describe the histogram:

• Left Skewed

• Normal/Symmetrical

• Right Skewed

• Uniform/Flat

Which of the following dot plots can be used to create the histogram?

• 
• 
• 
• 

Compare the centers and spreads. 

•  Math has a higher median (center) and a wider spread.

•  Math has a higher median (center) and a smaller spread.

• Math has a lower median (center) and a smaller spread.

• Math has a lower median (center) and a wider spread.

• Peter received the same score three times in Week 1

• Peter had one very low score in Week 2

• Peter did not beat his high score from Week 1 in Week 2

• Peter has one very high score in Week 1

The double dot plots show the average wait times in minutes for two popular rides at an amusement park. Compare the measures of center and variation, which ride typically has a longer wait time?

• No inference can be made from the graph.

• Topsy Turvy

• The wait times are the same for both rides.

• Rocket Blast