The best estimate of the mean of the population among all the options is 24.2.
Given to us
1 23.2
2 26.7
3 24.9
4 24.6
5 28.2
6 26.3
7 23.4
As we can see that all the mean values are lying between the values 23 and 28, and most of the values are falling between 23 and 24, therefore, the best estimate of the mean of the population among all the options is 24.2.
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