The high temperatures for a 5-day period were as follows: Monday 75°F, Tuesday 82°F, Wednesday 78°F, Thursday 84°F, Friday 81°F. What was the mean (average) high temperature for the 5-day period?
- 80°F
- 75°F
- 78°F
- None of these
Explanation
High temperatures:
Monday = 75°F
Tuesday = 82°F
Wednesday = 78°F
Thursday = 84°F
Friday = 81°F
Total = 75 + 82 + 78 + 84 + 81 = 400°F
Mean = Total ÷ Number of days = 400 ÷ 5 = 80°F
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