Aresearcheris analyzing different teaching methods.They collect a random sample of test scores from students exposed to each method.

Calculate and ANOVA on the following data todetermine if there is there is a difference between the sampled means. What does this tell us about the population(s) from which the samples were drawn?

Be sure to report

SSB

SST

SSW

DFW

DFB

MSW

MSB

F Obtained

F Critical

Teaching Methods and Exam Scores
	Lecture		Seminar		Hybrid		Online
75		88		86		55
73		99		75		61
63		76		90		90
90		77		93		67
77		74		63		59
80		61		76		94
90		95		95		89
67		89		65		93
90		89		76		68
77		61		69		84
77		96		70		81
96		96		63		79
56		90		56		77