BigShots,Inc.is a specialty e-tailer that operates 87 catalog Web sites on the Internet.Kevin Conn,Sales Director,feels that the style (color scheme,graphics,fonts,etc.)of a Web site may affect its sales.He chooses three levels of design style (neon,old world and sophisticated)and randomly assigns six catalog Web sites to each design style.Analysis of Kevin's data yielded the following ANOVA table.
Using $\alpha$ = 0.05,the observed F value is _____________.
A)0.5022
B)0.1333
C)1.9911
D)17.5100
E)22.4567

Question

BigShots,Inc.is a specialty e-tailer that operates 87 catalog Web sites on the Internet.Kevin Conn,Sales Director,feels that the style (color scheme,graphics,fonts,etc.)of a Web site may affect its sales.He chooses three levels of design style (neon,old world and sophisticated)and randomly assigns six catalog Web sites to each design style.Analysis of Kevin's data yielded the following ANOVA table.  
Using $\alpha$ = 0.05,the observed F value is _____________.
A)0.5022 
B)0.1333 
C)1.9911 
D)17.5100 
E)22.4567

Quizplus · Accepted Answer

The observed F value from the ANOVA table is 17.51, which is greater than the critical F value of 3.10. Therefore, we reject the null hypothesis and conclude that there is a significant difference in sales between the three design styles.

BigShots,Inc α\alphaα = 005,the Observed F Value Is _____________

BigShots,Inc $\alpha$ = 005,the Observed F Value Is _____________