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The mean temperature for the first 7 days in January was 5 °C. The temperature on the 8th day was 1 °C. What is the mean temperature for the first 8 days in January?
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The mean temperature for the first 7 days in January was 5 °C.

The temperature on the 8th day was 1 °C.
What is the mean temperature for the first 8 days in January?

User Cottton
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1 Answer

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total temperatures for 7 days = 7 (because average was 1).

Total temperatures for 8 days is 15.

The 8-day average (mean) temperature is 15/8 or 1.875 degrees.

User Rotary Heart
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