indicate higher ethical values$).$

Marketing Managers

Marketing Research

$6$

$5$

$4$

$5$

$6$

$4$

$5$

$5$

$4$

$4$

$5$

$4$

Advertising

$6$

$7$

$6$

$5$

$6$

$6$

a$.$ Use $=0\mathrm{.}05$ to test for a significant difference in perception among the three groups.

Compute the values identified below $($to $2$ decimals, if necessary$).$

Sum of Squares, Treatment

Sum of Squares, Error

Mean Squares, Treatment

Mean Squares, Error

Calculate the value of the test statistic $($to $2$ decimals$).$

The $p-$value is $1$

What is your conclusion?

Conclude the mean perception scores for the three groups are not all the same

b$.$ Using $=0\mathrm{.}05,$ determine where differences between the mean perception scores occur.

Calculate Fisher's LSD value $($to $2$ decimals$).$

Test whether there is a significant difference between the means for marketing managers $(1),$ marketing research specialists $(2),$ and advertising specialists $(3).$

Absolute Value

Difference $($to $1$ decimal$)$

${\stackrel{}{x}}_1-{\stackrel{}{x}}_2$

${\stackrel{}{x}}_1-{\stackrel{}{x}}_3$

${\stackrel{}{x}}_2-{\stackrel{}{x}}_3$

Conclusion

No significant difference $$

Significant difference

Significant difference