Data & Statistics Review Gr. 7

The data below show the maximum daily temperatures in

Winnipeg, Manitoba, in the first week of November 2022.

14°C, 18°C, 6°C, 3°C, 7°C, 4°C, 0°C.

What is the range of this data?

• 0°C

• 14°C

• 18°C

• 3°C

The rows below show data about members of a basketball team.

Player Height (cm)

1) 203 cm 5) 206 cm

2) 200 cm 6) 216 cm

3) 190 cm 7) 201 cm

4) 178 cm 8) 201 cm

203 is ______ % more than 200.

• 3%

• 1.5%

• 1.47%

• 6%

The data below show the maximum daily temperatures in

Winnipeg, Manitoba, in the second week of November 2022.

12°C, 15°C, 9°C, 5°C, 8°C, 6°C, 2°C.

What is the median of this data?

• 6°C

• 7°C

• 9°C

• 8°C

The rows below show data about members of a basketball team.

Player Height (cm)

1) 210 cm 5) 205 cm

2) 198 cm 6) 215 cm

3) 192 cm 7) 200 cm

4) 180 cm 8) 202 cm

What is the mode of the players' heights?

• 205 cm

• No mode

• 202 cm

• 200 cm

The data below show the maximum daily temperatures in

Winnipeg, Manitoba, in the third week of November 2022.

10°C, 13°C, 7°C, 4°C, 9°C, 5°C, 1°C.

What is the average temperature for this week?

• 7.5°C

• 6.5°C

• 8°C

• 7°C

Numeric data that just involves whole numbers like 0, 4, 12, 13 is called _______ data.

Data that involves qualitative responses that can be categorized (e.g., colours, months, ice cream flavours) rather than numeric responses is called ________ data.

Match the following

• Shows trends in a data set.

• Line Graph

• Shows proportion out of 100%

• Part-Whole Displays

• Shows distributions using intervals.

• Histograms

• Shows comparisons between responses.

• Bar Graphs

8 is ​ (a)   ​ (b)   4.

• 150%
• more than
• 50%
• 100%
• 25%
• less than
•  of

Match the vocabulary to the components of the graph.

a

b

c

Bins or Intervals

Proportion

Frequency

Title

Trend

Mean