# Tennis aces

The number of aces served by Novak Djokovic in the last 20 tournaments that he has participated in is shown below.

12 17 13 7 8 14 11 14 10 12

15 9 11 13 6 15 18 5 19 24

1.1 using the raw, determine the range.

1.2 Group the data into a frequency distribution with the lowest class limit of 1 ace and the class width of 5 aces.

1.3 Determine the mean number of aces served using the raw data.

1.4 Draw a less than ogive curve corresponding to the data and use it to estimate the median

12 17 13 7 8 14 11 14 10 12

15 9 11 13 6 15 18 5 19 24

1.1 using the raw, determine the range.

1.2 Group the data into a frequency distribution with the lowest class limit of 1 ace and the class width of 5 aces.

1.3 Determine the mean number of aces served using the raw data.

1.4 Draw a less than ogive curve corresponding to the data and use it to estimate the median

### Correct answer:

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