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The following results are based on an ANOVA analysis on how consumers are satisfied (1-not at all to 7-highly satisfied) based on their income levels.

The following results are based on an ANOVA analysis on how consumers are satisfied (1-not at all to 7-highly satisfied) based on their income levels.

ANOVA

X12 How satisfied are you with your existing DVD player?

Sum of Squares

df

Mean Square

F

Sig.

Between Groups

345.226

4

86.306

41.902

<.001

Within Groups

401.649

195

2.060

Total

746.875

199

Multiple Comparisons

Dependent Variable: X12 How satisfied are you with your existing DVD player?

Tukey HSD

(I) X15 total annual household income before taxes

(J) X15 total annual household income before taxes

Mean Difference (I-J)

Std. Error

Sig.

95% Confidence Interval

Lower Bound

Upper Bound

$20,000 - $35,000

$35,001 - $50,000

-.826

.352

.135

-1.79

.14

$50,001 - $75,000

-1.924^*

.371

<.001

-2.95

-.90

$75,000 - $100,000

-2.972^*

.352

<.001

-3.94

-2.00

> $100,000

-3.557^*

.330

<.001

-4.47

-2.65

$35,001 - $50,000

$20,000 - $35,000

.826

.352

.135

-.14

1.79

$50,001 - $75,000

-1.098^*

.339

.012

-2.03

-.17

$75,000 - $100,000

-2.146^*

.317

<.001

-3.02

-1.27

> $100,000

-2.731^*

.293

<.001

-3.54

-1.92

$50,001 - $75,000

$20,000 - $35,000

1.924^*

.371

<.001

.90

2.95

$35,001 - $50,000

1.098^*

.339

.012

.17

2.03

$75,000 - $100,000

-1.048^*

.339

.019

-1.98

-.12

> $100,000

-1.633^*

.316

<.001

-2.50

-.76

$75,000 - $100,000

$20,000 - $35,000

2.972^*

.352

<.001

2.00

3.94

$35,001 - $50,000

2.146^*

.317

<.001

1.27

3.02

$50,001 - $75,000

1.048^*

.339

.019

.12

1.98

> $100,000

-.585

.293

.272

-1.39

.22

> $100,000

$20,000 - $35,000

3.557^*

.330

<.001

2.65

4.47

$35,001 - $50,000

2.731^*

.293

<.001

1.92

3.54

$50,001 - $75,000

1.633^*

.316

<.001

.76

2.50

$75,000 - $100,000

.585

.293

.272

-.22

1.39

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Previous Question Next Question

ANOVA
X12 How satisfied are you with your existing DVD player?
	Sum of Squares	df	Mean Square	F	Sig.
Between Groups	345.226	4	86.306	41.902	<.001
Within Groups	401.649	195	2.060
Total	746.875	199

Multiple Comparisons
Dependent Variable: X12 How satisfied are you with your existing DVD player?
Tukey HSD
(I) X15 total annual household income before taxes	(J) X15 total annual household income before taxes	Mean Difference (I-J)	Std. Error	Sig.	95% Confidence Interval
Lower Bound	Upper Bound
$20,000 - $35,000	$35,001 - $50,000	-.826	.352	.135	-1.79	.14
$50,001 - $75,000	-1.924^*	.371	<.001	-2.95	-.90
$75,000 - $100,000	-2.972^*	.352	<.001	-3.94	-2.00
> $100,000	-3.557^*	.330	<.001	-4.47	-2.65
$35,001 - $50,000	$20,000 - $35,000	.826	.352	.135	-.14	1.79
$50,001 - $75,000	-1.098^*	.339	.012	-2.03	-.17
$75,000 - $100,000	-2.146^*	.317	<.001	-3.02	-1.27
> $100,000	-2.731^*	.293	<.001	-3.54	-1.92
$50,001 - $75,000	$20,000 - $35,000	1.924^*	.371	<.001	.90	2.95
$35,001 - $50,000	1.098^*	.339	.012	.17	2.03
$75,000 - $100,000	-1.048^*	.339	.019	-1.98	-.12
> $100,000	-1.633^*	.316	<.001	-2.50	-.76
$75,000 - $100,000	$20,000 - $35,000	2.972^*	.352	<.001	2.00	3.94
$35,001 - $50,000	2.146^*	.317	<.001	1.27	3.02
$50,001 - $75,000	1.048^*	.339	.019	.12	1.98
> $100,000	-.585	.293	.272	-1.39	.22
> $100,000	$20,000 - $35,000	3.557^*	.330	<.001	2.65	4.47
$35,001 - $50,000	2.731^*	.293	<.001	1.92	3.54
$50,001 - $75,000	1.633^*	.316	<.001	.76	2.50
$75,000 - $100,000	.585	.293	.272	-.22	1.39