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asherkbohannan
18.03.2020 •
Mathematics
You wish to estimate the average weight of a mouse. You obtain 10 mice, sampled uniformly at random and with replacement from the mouse population. Their weights are 21; 23; 27; 19; 17; 18; 20; 15; 17; 22 grams respectively. (a) What is the best estimate for the average weight of a mouse, from this data
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Ответ:
The best estimate for the average weight of a mouse, from this data is 19.9 grams.
Step-by-step explanation:
The best estime for the weight of a mouse from this data is the sum of all these weights divided by the number of mices.
10 mices
Their weights are 21; 23; 27; 19; 17; 18; 20; 15; 17; 22 grams
So
The best estimate for the average weight of a mouse, from this data is 19.9 grams.
Ответ:
3x + 20x - 15 = -61
23x - 15 = -61
23x divided by -46
the answer is A) -2