(in) On how many days was the rainfall less than the mean rainfall
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
(i) What is the range of the data?
(ii) What is the mean height of the girls?
(iv) How many girls have heights more than the mean height.
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132 135 139 146 149 150
2005
9 girls
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