The following table shows the number of people that have either 0, 1, 2 or 3 cars registered in their name, from a sample of 314 people.
a) Complete the table.
| x | Number of cars owned |
| 0 | 71 |
| 1 | 94 |
| 2 | 69 |
| 3 |
(b Find the mean number of cars owned for this sample. Give your answer to at least 2 decimal places.
(c Find the standard deviation of cars owned for this sample. Give your answer to at least 2 decimal places.
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