The heights of 10 girls were measured in cm and the results are as follows:
135, 150, 139, 128, 151,
132, 146, 149, 143, 141.
- What is the height of the tallest girl ?
- What is the height of the shortest girl?
- What is the range of the data?
- What is the mean height of the girls?
- How many girls have heights more than the mean height?