Histograms and Linear Models

What is the number of intervals for the histogram below?

• .2
• 5
• 10
• 15
• 48

What is the bin size of the following histogram?

• 5
• 48
• .4
• .8

How many hostel rooms have 11 or fewer guests?

• 15
• 8
• 13
• 16
• 6

How many more festivals had 18-23 countries represented than 0-5 countries represented?

• 4
• 3
• 1
• 2
• 5

What percentage of blocks fall between .7485 in and .7575 in?

• 55.55%
• 59.25%
• 51.85%
• 53.70%

A technician measures the mass in grams of 10 parts as shown below. Which of the following is the best representation of this data?

• 
• 
• 
• 

Students construct a launcher and collect data for the distances at four different launch points. They organize the data for each launch point into a histogram as shown below. Which distribution shape describes the data set?

• Bimodal
• Symmetrical
• Positively skewed
• Negatively skewed

Based on the data for Launch Point 2, what is the mean in feet? Round to the nearest tenth.

• 18.5
• 24.5
• 24.6
• 98.1
• 12. 5

Which Launch Point has the largest range? What is the range?

• Launch Point 1, Range = 12.5
• Launch Point 2, Range = 0.6
• Launch Point 1, Range = 0.5
• Launch Point 2, Range = 12.6

Based on the graph below, select the correct statement.

• As the weight of the car decreases, the gas mileage decreases.
• As the weight of the car increases, the gas mileage increases.
• As the weight of the car increases, the gas mileage decreases.