GROUPED DATA
The masses of a group of fish were recorded as follows:
MASS (g) | NO. OF FISH |
200 – 299 | 3 |
300 – 399 | 25 |
400 – 499 | 15 |
500 – 599 | 10 |
600 – 699 | 5 |
700 – 799 | 2 |
Calculate the: (a) range (b) mean (c) mean deviation (d) standard Deviation
SOLUTION
ASSIGNMENT: The table below shows the heights to the nearest cm of a group of people.
HEIGHT (cm) | 120 – 129 | 130 – 139 | 140 – 149 | 150 – 159 | 160 – 169 | 170 – 179 |
FREQUENCY | 3 | 5 | 12 | 25 | 10 | 2 |
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