Descriptives Likleihood to Purchase Product N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean Minimum Maximum Lower Bound Upper Bound AD 1 8 25.1250 3.39905 1.20175 22.2833 27.9667 22.00 31.00 Ad 2 8 28.0000 3.70328 1.30931 24.9040 31.0960 24.00 35.00 8 33.5000 8 34.7500 Ad 3 2.20389 .77919 31.6575 35.3425 30.00 36.00 Ad 4 1.28174 .45316 33.6784 35.8216 33.00 37.00 Total 32 30.3438 4.81670 .85148 28.6071 32.0804 22.00 37.00 Test of Homogeneity of Variances Likleihood to Purchase Product Levene Statistic df1 df2 Sig. 2.143 3 28 .117 ANOVA Likleihood to Purchase Product Sum of Squares df Mean Square Sig. Between Groups 496.844 3 165.615 20.853 .000 Within Groups 222.375 28 7.942 Total 719.219 31 Post Hoc Tests Multiple Comparisons Dependent Variable: Likleihood to Purchase Product Tukey HSD (1) AD Type (J) AD Type Mean Difference (I- Std. Error Sig. 95% Confidence Interval J) Lower Bound Upper Bound Ad 2 -2.87500 1.40907 .198 -6.7222 .9722 AD 1 Ad 3 -8.37500 1.40907 .000 -12.2222 -4.5278 Ad 4 -9.62500 1.40907 .000 -13.4722 -5.7778 AD 1 2.87500 1.40907 .198 -.9722 6.7222 -5.50000 -6.75000 Ad 2 Ad 3 1.40907 .003 -9.3472 -1.6528 Ad 4 1.40907 .000 -10.5972 -2.9028 AD 1 8.37500 1.40907 .000 4.5278 12.2222 Ad 3 Ad 2 5.50000 1.40907 .003 1.6528 9.3472 Ad 4 -1.25000 1.40907 .812 -5.0972 2.5972 AD 1 9.62500 1.40907 .000 5.7778 13.4722 Ad 4 Ad 2 6.75000 1.40907 .000 2.9028 10.5972 Ad 3 1.25000 1.40907 .812 -2.5972 5.0972 *. The mean difference is significant at the 0.05 level.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The following data show hypothetical scores from 32 individuals who participated in a study testing favorability reactions to four different print ads to be used in an advertising campaign for a new perfume. Scores on the dependent variable were measured on a 10-item scale and scores were summed (range 0-40) such that higher scores indicated stronger likelihood to purchase the perfume. Conclude what the results are using SPSS output below.

Descriptives
Likleihood to Purchase Product
N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean Minimum Maximum
Lower Bound
Upper Bound
AD 1
8 25.1250
3.39905
1.20175
22.2833
27.9667
22.00
31.00
Ad 2
8 28.0000
3.70328
1.30931
24.9040
31.0960
24.00
35.00
8 33.5000
8 34.7500
Ad 3
2.20389
.77919
31.6575
35.3425
30.00
36.00
Ad 4
1.28174
.45316
33.6784
35.8216
33.00
37.00
Total 32 30.3438
4.81670
.85148
28.6071
32.0804
22.00
37.00
Test of Homogeneity of Variances
Likleihood to Purchase Product
Levene Statistic
df1
df2
Sig.
2.143
3
28
.117
ANOVA
Likleihood to Purchase Product
Sum of Squares
df
Mean Square
Sig.
Between Groups
496.844
3
165.615
20.853
.000
Within Groups
222.375
28
7.942
Total
719.219
31

Post Hoc Tests
Multiple Comparisons
Dependent Variable: Likleihood to Purchase Product
Tukey HSD
(1) AD Type
(J) AD Type
Mean Difference (I-
Std. Error
Sig.
95% Confidence Interval
J)
Lower Bound
Upper Bound
Ad 2
-2.87500
1.40907
.198
-6.7222
.9722
AD 1
Ad 3
-8.37500
1.40907
.000
-12.2222
-4.5278
Ad 4
-9.62500
1.40907
.000
-13.4722
-5.7778
AD 1
2.87500
1.40907
.198
-.9722
6.7222
-5.50000
-6.75000
Ad 2
Ad 3
1.40907
.003
-9.3472
-1.6528
Ad 4
1.40907
.000
-10.5972
-2.9028
AD 1
8.37500
1.40907
.000
4.5278
12.2222
Ad 3
Ad 2
5.50000
1.40907
.003
1.6528
9.3472
Ad 4
-1.25000
1.40907
.812
-5.0972
2.5972
AD 1
9.62500
1.40907
.000
5.7778
13.4722
Ad 4
Ad 2
6.75000
1.40907
.000
2.9028
10.5972
Ad 3
1.25000
1.40907
.812
-2.5972
5.0972
*. The mean difference is significant at the 0.05 level.

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