January 1st 37°F
January 7th 48°F
January 14th 52°F
January 18th 51°F
January 21st 45°F
January 25th 41°F
January 31st 55°F


When looking at a data set of numbers, the mean is the average. Look at the table above. What was the mean temperature in January in Austin, Texas?
a 47°
b 48°
c 55°
d 37°