Question

	1980s	1990s	2000’s
	105	78	99
	108	87	131
	106	90	83
	114	87	95
	111	113	81
	111	90	100
	115	99	88
	114	97	113
	102	108	108
	123	92	116

This table uses the data file that contains the scores of the winning teams from the final NBA Championship game. I would like to know if the average winning score is the same for each decade listed in the table. Test the claim that the samples all come from populations with the same mean. Use a significance level of 0.05.

  

H₀ (null hypothesis):

H₁ (alternative hypothesis):

• Write the F-Table value here:

• What is the P-value:

• Now use your calculator or the formula to find the calculated F value (known as the “test statistic”):

REJECT H₀:   YES or NO

• What is your conclusion? Are the groups the same or is at least one group different? Explain.

Answer 1