Statistics Diagnostic

Statistics does not help in comparison of data of different regions

• True

• False

The purpose of descriptive statistics is to

• make decision

• make estimation

• describe data

• make hypothesis testing

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:7

• median:6  mode:3  range:7

• median:7  mode:3  range:8

Dexter kept a record of his bike rides. On average (mean), how far did Dexter ride each day?

Monday: 5 miles

Tuesday: 8 miles

Wednesday: 8 miles

Thursday: 6 miles

Friday: 8 miles

• 7 miles

• 8 miles

• 6 miles

• 5 miles

At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

What is the third quartile (UQ) of the data?

• 37

• 38

• 40

• 46

What is the term for the median of the lower half of the data?

• Lower Quartile

• Upper Quartile

• Median

• Maximum

Estimate the mean time

• 8.3

• 8.8

• 9.3

• 9.8

What is this type of graph called?

• Frequency Line Graph

• Frequency Diagram

• Bar Chart

• Frequency Polygon

What is the median length?

• 40.5 cm

• 30 cm

• 24.5 cm

• 32 cm