DGSN 6th Grade Statistics Summative

First Name

Last Name

When do you have class?

• Block A
• Block B
• Block C

1.) What is the difference between a Measure of Center and a Measure of Spread?

2..) What is the interquartile range of the number of cars in the parking lots at noon at the 21 supermarkets?

4.) Calculate the mean absolute deviation (MAD) for the following set of data: {13, 15, 20, 24, 28}

5.) The tennis team coach made a list of the ages of his 7 players. Which statement is true?

• The mode and the range are equal
• The mode and the median are equal
• The median and the range are equal
• The median, mode, and range are all equal

6.) What are the quartiles for the following data set?

• Q1 = 8.5, Q2 = 9, Q3 = 16.5
• Q1 = 8.5, Q2 = 10, Q3 = 14
• Q1 = 9, Q2 = 10 Q3 = 12
• Q1 = 12, Q2 = 9, Q3 = 10

7.) Select all statements that are true about the following Box and Whisker Plot.

• The minimum is 3.5
• The IQR equals 4
• The lower quartile is 5.5
• The minimum is 0
• The median is 6.5

8.) Julio plays the trumpet in his high school band. For one week, he records the number of minutes each day that he spends practicing, shown in the table below. What is the mean number of minutes that Julio spends practicing over the week?