Question

The data below shows the temperature of the water in a swimming pool over a two week period. Week 1 DayTemperature (°F) Monday58 Tuesday48 Wednesday49 Thursday61 Friday58 Saturday51 Sunday39 Week 2 DayTemperature (°F) Monday68 Tuesday74 Wednesday73 Thursday75 Friday70 Saturday67 Sunday63 How many degrees greater is the mean temperature in week 2 than in week 1? a0°

Answer 1

Looking at the graph, the least noon temperature corresponds to Monday, and the value is 55°F.

The greatest decrease corresponds to the steepest negative slope, which corresponds to Sunday to Monday.