The morning temperature was measured for two different cities in Southern California during the month of August over a 7-day period. The following statistics were recorded: Eastvale Apple Valley Mean 77.3 61.5 Standard Deviation 6.8 8.2 Determine if there is sufficient evidence to indicate that the morning temperature in Apple Valley is lower than the morning temperature in Eastvale. Use the critical value approach at the 5% level of significance