HW I

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ANALYSIS OF MEANS

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1.

What is the mean for each (not combined)

A) X7,

B) X12,

C) X17, and

D) X22.

Looking at the scale in the questionnaire explain fully what the mean tells us about each of those variables.

For example,

For X50 the mean is 7 which means that on average the respondents Strongly Agree that alcohol should be served at the restaurant (X50).

7 point likert scale

1 Strongly Disagree

2 Disagree

3 Somewhat Disagree

4 Undecided

5 Somewhat Agree

6 Agree

7 Strongly Agree

2. Compare and contrast the means of two groups. Are males OR females less likely to buy a new product? Explain fully your conclusion. Don’t guess. Support your answer by providing the mean that was computed.
.
3. Correlation: Explain fully the concept of correlation between variables. Based on the questionnaire implemented and the SPSS outputs, does the Pearson Correlation reveal that there is a high or low correlation between the level of satisfaction and the likelihood to return to a favorite Mexican restaurant? What was the Pearson Correlation computed to be? For example .4, .6, .73, .85, or 1.0?  Don’t guess. Explain fully.
.
4. What does the multiple regression reveal about the ability of fun, size, taste, and service to predict customer satisfaction?  Don’t guess.  What are the beta coefficients for each? Explain fully.

FREQUENCIES VARIABLES=x22

/ORDER=ANALYSIS.

Frequencies

Statistics
X22 — Satisfaction
N
Valid
325
Missing
1

X22 — Satisfaction

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
3
22
6.7
6.8
6.8
4
93
28.5
28.6
35.4
5
58
17.8
17.8
53.2
6
60
18.4
18.5
71.7
7 = Highly Satisfied
92
28.2
28.3
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x22
/STATISTICS=MEAN MEDIAN MODE
/ORDER=ANALYSIS.

Frequencies

Statistics
X22 — Satisfaction
N
Valid
325
Missing
1
Mean
5.33
Median
5.00
Mode
4

X22 — Satisfaction

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
3
22
6.7
6.8
6.8
4
93
28.5
28.6
35.4
5
58
17.8
17.8
53.2
6
60
18.4
18.5
71.7
7 = Highly Satisfied
92
28.2
28.3
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x22
/STATISTICS=MEAN MEDIAN MODE
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X22 — Satisfaction
N
Valid
325
Missing
1
Mean
5.33
Median
5.00
Mode
4

X22 — Satisfaction

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
3
22
6.7
6.8
6.8
4
93
28.5
28.6
35.4
5
58
17.8
17.8
53.2
6
60
18.4
18.5
71.7
7 = Highly Satisfied
92
28.2
28.3
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x7
/STATISTICS=MEAN MEDIAN MODE
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X7 — Self-Confident
N
Valid
325
Missing
1
Mean
4.70
Median
5.00
Mode
5

X7 — Self-Confident

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
2
14
4.3
4.3
4.3
3
43
13.2
13.2
17.5
4
68
20.9
20.9
38.5
5
113
34.7
34.8
73.2
6
74
22.7
22.8
96.0
Strongly Agree
13
4.0
4.0
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x12
/STATISTICS=MEAN MEDIAN MODE
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X12 — Friendly Employees
N
Valid
325
Missing
1
Mean
3.81
Median
4.00
Mode
5

X12 — Friendly Employees

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
Strongly Disagree
5
1.5
1.5
1.5
2
70
21.5
21.5
23.1
3
35
10.7
10.8
33.8
4
87
26.7
26.8
60.6
5
128
39.3
39.4
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x17
/STATISTICS=MEAN MEDIAN MODE
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X17 — Attractive Interior
N
Valid
325
Missing
1
Mean
4.64
Median
5.00
Mode
5

X17 — Attractive Interior

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
2
6
1.8
1.8
1.8
3
45
13.8
13.8
15.7
4
77
23.6
23.7
39.4
5
134
41.1
41.2
80.6
6
59
18.1
18.2
98.8
Strongly Agree
4
1.2
1.2
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x22
/STATISTICS=STDDEV VARIANCE RANGE MINIMUM MAXIMUM
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X22 — Satisfaction
N
Valid
325
Missing
1
Std. Deviation
1.331
Variance
1.771
Range
4
Minimum
3
Maximum
7

X22 — Satisfaction

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
3
22
6.7
6.8
6.8
4
93
28.5
28.6
35.4
5
58
17.8
17.8
53.2
6
60
18.4
18.5
71.7
7 = Highly Satisfied
92
28.2
28.3
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x7
/STATISTICS=STDDEV VARIANCE RANGE MINIMUM MAXIMUM
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X7 — Self-Confident
N
Valid
325
Missing
1
Std. Deviation
1.196
Variance
1.431
Range
5
Minimum
2
Maximum
7

X7 — Self-Confident

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
2
14
4.3
4.3
4.3
3
43
13.2
13.2
17.5
4
68
20.9
20.9
38.5
5
113
34.7
34.8
73.2
6
74
22.7
22.8
96.0
Strongly Agree
13
4.0
4.0
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x12
/STATISTICS=STDDEV VARIANCE RANGE MINIMUM MAXIMUM
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X12 — Friendly Employees
N
Valid
325
Missing
1
Std. Deviation
1.212
Variance
1.470
Range
4
Minimum
1
Maximum
5

X12 — Friendly Employees

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
Strongly Disagree
5
1.5
1.5
1.5
2
70
21.5
21.5
23.1
3
35
10.7
10.8
33.8
4
87
26.7
26.8
60.6
5
128
39.3
39.4
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

FREQUENCIES VARIABLES=x17
/STATISTICS=STDDEV VARIANCE RANGE MINIMUM MAXIMUM
/BARCHART FREQ
/ORDER=ANALYSIS.

Frequencies

Statistics
X17 — Attractive Interior
N
Valid
325
Missing
1
Std. Deviation
1.029
Variance
1.059
Range
5
Minimum
2
Maximum
7

X17 — Attractive Interior

Frequency
Percent
Valid Percent
Cumulative Percent
Valid
2
6
1.8
1.8
1.8
3
45
13.8
13.8
15.7
4
77
23.6
23.7
39.4
5
134
41.1
41.2
80.6
6
59
18.1
18.2
98.8
Strongly Agree
4
1.2
1.2
100.0
Total
325
99.7
100.0
Missing
System
1
.3

Total
326
100.0

CROSSTABS
/TABLES=x2 BY x32
/FORMAT=AVALUE TABLES
/CELLS=COUNT
/COUNT ROUND CELL.

Crosstabs

Case Processing Summary

Cases
Valid
Missing
Total
N
Percent
N
Percent
N
Percent
X2 — Party Person * X32 — Gender
325
99.7%
1
0.3%
326
100.0%

X2 — Party Person * X32 — Gender Crosstabulation
Count
X32 — Gender
Total
Male
Female
X2 — Party Person
2
6
3
9
3
34
18
52
4
87
41
128
5
64
33
97
6
11
16
27
Strongly Agree
6
6
12
Total
208
117
325
CROSSTABS
/TABLES=x2 BY x32
/FORMAT=AVALUE TABLES
/STATISTICS=CHISQ
/CELLS=COUNT EXPECTED COLUMN
/COUNT ROUND CELL.

Crosstabs

Case Processing Summary

Cases
Valid
Missing
Total
N
Percent
N
Percent
N
Percent
X2 — Party Person * X32 — Gender
325
99.7%
1
0.3%
326
100.0%

X2 — Party Person * X32 — Gender Crosstabulation

X32 — Gender
Total
Male
Female
X2 — Party Person
2
Count
6
3
9

Expected Count
5.8
3.2
9.0

% within X32 — Gender
2.9%
2.6%
2.8%
3
Count
34
18
52

Expected Count
33.3
18.7
52.0

% within X32 — Gender
16.3%
15.4%
16.0%
4
Count
87
41
128

Expected Count
81.9
46.1
128.0

% within X32 — Gender
41.8%
35.0%
39.4%
5
Count
64
33
97

Expected Count
62.1
34.9
97.0

% within X32 — Gender
30.8%
28.2%
29.8%
6
Count
11
16
27

Expected Count
17.3
9.7
27.0

% within X32 — Gender
5.3%
13.7%
8.3%
Strongly Agree
Count
6
6
12

Expected Count
7.7
4.3
12.0

% within X32 — Gender
2.9%
5.1%
3.7%
Total
Count
208
117
325
Expected Count
208.0
117.0
325.0
% within X32 — Gender
100.0%
100.0%
100.0%

Chi-Square Tests

Value
df
Asymptotic Significance (2-sided)
Pearson Chi-Square
8.472a
5
.132
Likelihood Ratio
8.121
5
.150
Linear-by-Linear Association
3.435
1
.064
N of Valid Cases
325

a. 2 cells (16.7%) have expected count less than 5. The minimum expected count is 3.24.
ONEWAY x9 BY x32
/STATISTICS DESCRIPTIVES
/MISSING ANALYSIS.

Oneway

Descriptives
X9 — Buy New Products
N
Mean
Std. Deviation
Std. Error
95% Confidence Interval for Mean
Minimum
Maximum

Lower Bound
Upper Bound

Male
208
5.91
1.495
.104
5.71
6.12
1
7
Female
117
5.49
1.627
.150
5.19
5.79
2
7
Total
325
5.76
1.555
.086
5.59
5.93
1
7

ANOVA
X9 — Buy New Products
Sum of Squares
df
Mean Square
F
Sig.
Between Groups
13.607
1
13.607
5.710
.017
Within Groups
769.673
323
2.383

Total
783.280
324

ONEWAY x24 BY x33
/STATISTICS DESCRIPTIVES
/MISSING ANALYSIS
/POSTHOC=SCHEFFE ALPHA(0.05).

Oneway

Descriptives
X24 — Likely to Recommend
N
Mean
Std. Deviation
Std. Error
95% Confidence Interval for Mean
Minimum

Lower Bound
Upper Bound
No Children at Home
148
4.87
1.535
.126
4.62
5.12
1
1-2 Children at Home
95
4.72
1.478
.152
4.41
5.02
1
More Than 2 Children at Home
82
5.13
1.538
.170
4.80
5.47
1
Total
325
4.89
1.523
.084
4.73
5.06
1

Descriptives
X24 — Likely to Recommend
Maximum

No Children at Home
7
1-2 Children at Home
7
More Than 2 Children at Home
7
Total
7

ANOVA
X24 — Likely to Recommend
Sum of Squares
df
Mean Square
F
Sig.
Between Groups
7.819
2
3.910
1.693
.186
Within Groups
743.412
322
2.309

Total
751.231
324

Post Hoc Tests

Multiple Comparisons
Dependent Variable: X24 — Likely to Recommend
Scheffe
(I) X33 — Number of Children at Home
(J) X33 — Number of Children at Home
Mean Difference (I-J)
Std. Error
Sig.
95% Confidence Interval

Lower Bound
Upper Bound
No Children at Home
1-2 Children at Home
.156
.200
.738
-.34
.65
More Than 2 Children at Home
-.263
.209
.456
-.78
.25
1-2 Children at Home
No Children at Home
-.156
.200
.738
-.65
.34
More Than 2 Children at Home
-.418
.229
.190
-.98
.14
More Than 2 Children at Home
No Children at Home
.263
.209
.456
-.25
.78
1-2 Children at Home
.418
.229
.190
-.14
.98

Homogeneous Subsets

X24 — Likely to Recommend
Scheffea,b
X33 — Number of Children at Home
N
Subset for alpha = 0.05

1
1-2 Children at Home
95
4.72
No Children at Home
148
4.87
More Than 2 Children at Home
82
5.13
Sig.
.147
Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 101.770.
b. The group sizes are unequal. The harmonic mean of the group sizes is used. Type I error levels are not guaranteed.
CORRELATIONS
/VARIABLES=x22 x23
/PRINT=TWOTAIL NOSIG
/STATISTICS DESCRIPTIVES
/MISSING=PAIRWISE.

Correlations

Descriptive Statistics

Mean
Std. Deviation
N
X22 — Satisfaction
5.33
1.331
325
X23 — Likely to Return
4.53
1.148
325

Correlations

X22 — Satisfaction
X23 — Likely to Return
X22 — Satisfaction
Pearson Correlation
1
.584**
Sig. (2-tailed)
.000
N
325
325
X23 — Likely to Return
Pearson Correlation
.584**
1
Sig. (2-tailed)
.000

N
325
325
**. Correlation is significant at the 0.01 level (2-tailed).
REGRESSION
/MISSING LISTWISE
/STATISTICS COEFF OUTS R ANOVA
/CRITERIA=PIN(.05) POUT(.10)
/NOORIGIN
/DEPENDENT x22
/METHOD=ENTER x13 x14 x18 x21.

Regression

Variables Entered/Removed
a
Model
Variables Entered
Variables Removed
Method
1
X21 — Speed of Service, X14 — Large Size Portions, X18 — Excellent Food Taste, X13 — Fun Place to Eatb
.
Enter
a. Dependent Variable: X22 — Satisfaction
b. All requested variables entered.

Model Summary
Model
R
R Square
Adjusted R Square
Std. Error of the Estimate
1
.422a
.178
.168
1.214
a. Predictors: (Constant), X21 — Speed of Service, X14 — Large Size Portions, X18 — Excellent Food Taste, X13 — Fun Place to Eat

ANOVA
a
Model
Sum of Squares
df
Mean Square
F
Sig.
1
Regression
102.239
4
25.560
17.346
.000b
Residual
471.534
320
1.474

Total
573.772
324

a. Dependent Variable: X22 — Satisfaction
b. Predictors: (Constant), X21 — Speed of Service, X14 — Large Size Portions, X18 — Excellent Food Taste, X13 — Fun Place to Eat

Coefficients
a
Model
Unstandardized Coefficients
Standardized Coefficients
t
Sig.
B
Std. Error
Beta

1
(Constant)
1.898
.498
3.808
.000
X13 — Fun Place to Eat
.118
.079
.082
1.490
.137
X14 — Large Size Portions
.139
.057
.132
2.417
.016
X18 — Excellent Food Taste
.234
.064
.191
3.673
.000
X21 — Speed of Service
.188
.034
.292
5.604
.000
a. Dependent Variable: X22 — Satisfaction

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