GKT101: General Knowledge for Teachers – Math

94. 474 FTES

96. 919

98.

• mean = 1,809.3

• median = 1,812.5

• standard deviation = 151.2

• first quartile = 1,690

• third quartile = 1,935

• IQR = 245

100. Hint: Think about the number of years covered by each time period and what happened to higher education during those periods.

102. For pianos, the cost of the piano is 0.4 standard deviations BELOW the mean. For guitars, the cost of the guitar is 0.25 standard deviations ABOVE the mean. For drums, the cost of the drum set is 1.0 standard deviations BELOW the mean. Of the three, the drums cost the lowest in comparison to the cost of other instruments of the same type. The guitar costs the most in comparison to the cost of other instruments of the same type.