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June 2004 p6 q1
2447
Two cricket teams kept records of the number of runs scored by their teams in 8 matches. The scores are shown in the following table.
| Team A | 150 | 220 | 77 | 30 | 298 | 118 | 160 | 57 |
|---|---|---|---|---|---|---|---|---|
| Team B | 166 | 142 | 170 | 93 | 111 | 130 | 148 | 86 |
- Find the mean and standard deviation of the scores for team A. [2]
- State with a reason which team has the more consistent scores. [2]
The mean and standard deviation for team B are 130.75 and 29.63 respectively.
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