The heights, in centimetres, of David's hockey side are as follows:
\(172,\ 177,\ 171,\ 174,\ 174,\ 176,\ 173,\ 177,\ 174,\ 172,\ 174\)
- Represent this data as a dot plot using the grid below. (2 marks)
--- 0 WORK AREA LINES (style=lined) ---
- What is the average height of the players in David's hockey team? (2 marks)
--- 3 WORK AREA LINES (style=lined) ---
Show Answers Only
a.
b. \(174\ \text{cm}\)
Show Worked Solution
a.
| b. | \(\text{Average height}\) | \(=\dfrac{171+2\times 172+173+4\times 174+176+2\times 177}{11}\) |
| \(=\dfrac{1914}{11}\) | ||
| \(=174\ \text{cm}\) |