Unit 1.1-1.6 Quiz

Describe the histogram:

• Left Skewed

• Normal/Symmetrical

• Right Skewed

• Uniform/Flat

How many students have more than 1,000 songs on their MP3 player?

• 5
• 16
• 10
• 4

Pie charts are used for ____________ data.

• Categorical

• Quantitative

The pie chart shows the colors of 32 beads. How many beads are NOT green?

• 90

• 24

• 8

• 20

What is the mean of the data? (0's still count as numbers). round to the nearest whole number

• 1

• 2

• 3

• 4

What is the range for CARS?

• 6

• 19

• 27

• 4

What is the shape of the distribution when the mean<median?

• symmetric

• skewed right

• skewed left

• not enough information given

What is the shape of the distribution when the mean>median?

• symmetric

• skewed right

• skewed left

• not enough information given

What is the shape of the distribution when the mean=median?

• symmetric

• skewed right

• skewed left

• not enough information given

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.

32, 38, 40, 44, 45, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81

He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?

• 32

• 45

• 65

• 84