Question

RES342 WK4 QUIZ:An employment agency wants to see which of three types of advertisements in the help-wanted section of local newspapers is the most effective. Three types of advertisements (big headline, straightforward, and bold print) were randomly alternated over a period of weeks and the number of people responding to the advertisements was noted each week.

     
Type of Advertisement




Number of Responses     
Big Headline     
Straightforward     
Bold Print
     
23     
19     
28
     
42     
31     
33
     
36     
18     
46
     
48     
24     
29
     
33     
26     
34
     
26     
     
34
At the 0.01 level of significance and using the follow Excel output, does this data support the null hypothesis’s position that there is NO difference in the effectiveness of the advertisements as measured by the mean number of people responding? (Please write out the symbols and the words of the null and alternative hypothesis.) Please note that the following output can be used to identify the solution to this quiz. So you really can focus on doing a superb job on the step one symbol and words and the final answer (with given this information and "probably").
Excel Output

Big Headline     
Straightforward     
Bold Print     
     
     
     


23     
19     
28     
     
     
     


42     
31     
33     
     
     
     


36     
18     
46     
     
     
     


48     
24     
29     
     
     
     


33     
26     
34     
     
     
     


26     
     
34     
     
     
     


     
     
     
     
     
     


Anova: Single Factor     
     
     
     
     
     


     
     
     
     
     
     


SUMMARY      
     
     
     
     
     


Groups     
Count     
Sum     
Average     
Variance     
     


Column 1     
6     
208     
34.66666667     
89.46666667     
     


Column 2     
5     
118     
23.6     
28.3     
     


Column 3     
6     
204     
34     
41.2     
     


     
     
     
     
     
     


     
     
     
     
     
     


ANOVA     
     
     
     
     
     


Source of Variation     
SS     
df     
MS     
F     
P-value     
F crit

Between Groups     
XXX.XXXXXXX     
2     
XXX.XXXXXXX     
3.725292378     
0.050445485     
6.514937922

Within Groups     
XXX.XXXXXXX     
14     
54.75238095     
     
     


     
     
     
     
     
     


Total     
1174.470588     
16