The graph below shows the average daily temperatures on January 1 from 1900 to 1934 for city A
The mean of the temperatures in the chart is 24° with a standard deviation of 4°. Which temperature is within one standard deviation of the mean?
16°
18°
27°
29°
The standard deviation means it can be up or down by that many degrees. The temperatures can be between 20-28 degrees. 27 degrees is the only option in this set of numbers.
