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 (a)   data.

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

Match the following

• Shows comparisons between responses.

• Histograms

• Shows distributions using intervals.

• Part-Whole Displays

• Shows proportion out of 100%

• Bar Graphs

• Shows trends in a data set.

• Line Graph

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

Frequency

Title

Mean

Proportion

Trend

Bins or Intervals