Statistics Dot Plots and Histograms

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.

Which best describes the spread of data? 6.1 (E)

• $40-$49

• $20-$49

• $30-$69

• $0-$69

Which statement is true about the center of distribution?

• The center is best described using the mean, because the distribution is skewed.

• The center is best described using the median, because the distribution is skewed.

• The center is best described by the mean and median, because the distribution is symmetric.

• The center is best described by the outlier, because the distribution is symmetric.

True or False? Over 50% of the students watch between 5 and 14 hours of television on the weekend?

• TRUE

• FALSE

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

• 
• 
• 
• 

• Uniform, with a spread of 89 years

• Skewed, with a spread of 45 years

• Symmetric, with a spread of 14 years

• Skewed, with a spread of 89 years

How many days did Ginger practice for more than a half hour?

• 2 days

• 7 days

• 9 days

• 5 days

Which of the following statements is NOT supported in the data in the dot plot?

• 
• 
• 
• 

the total number of pets owned by students in mrs. Raabe's class is-

• Greater than 45, but fewer than 50

• Greater than 5, but fewer than 10

• Greater than 30, but fewer than 35

• greater than 50, but fewer than 55

Which word best describes the shape of the distribution?

• Skewwed

• Symmetric

• Uniform