____ 3.- Based ONLY on the SPSS output below, at the 5% significance level, we c
ID: 3063112 • Letter: #
Question
____ 3.- Based ONLY on the SPSS output below, at the 5% significance level, we can conclude:
Tests of Between-Subjects Effects
Dependent Variable: RecyHouseDay
Source
Type III Sum of Squares
df
Mean Square
F
Sig.
Corrected Model
.442a
11
.040
1.090
.370
Intercept
2975.417
1
2975.417
80668.574
.000
Neighborhood
.216
2
.108
2.930
.055
Season
.095
3
.032
.856
.464
Neighborhood * Season
.129
6
.022
.584
.743
Error
8.225
223
.037
Total
2987.525
235
Corrected Total
8.667
234
a. R Squared = .051 (Adjusted R Squared = .004)
1. There is an effect of neighborhood on the mean weight of materials recycled per day per household in the population because Sig. =0.055.
2. There is no evidence of an effect of neighborhood on the mean weight of materials recycled per day per household in the population because Sig. =0.055.
3. There is an effect of neighborhood on the mean weight of materials recycled per day per household in the sample because Sig. =0.055.
4. There is no evidence of an effect of neighborhood on the mean weight of materials recycled per day per household in the sample because Sig. =0.055.
Tests of Between-Subjects Effects
Dependent Variable: RecyHouseDay
Source
Type III Sum of Squares
df
Mean Square
F
Sig.
Corrected Model
.442a
11
.040
1.090
.370
Intercept
2975.417
1
2975.417
80668.574
.000
Neighborhood
.216
2
.108
2.930
.055
Season
.095
3
.032
.856
.464
Neighborhood * Season
.129
6
.022
.584
.743
Error
8.225
223
.037
Total
2987.525
235
Corrected Total
8.667
234
a. R Squared = .051 (Adjusted R Squared = .004)
Explanation / Answer
Answer to the question is as follows:
Actual alpha = .05
Since actual alpha = .05 which is smaller than .055, we say that
" There is no evidence of an effect of neighborhood on the mean weights of materials reccycled per day per household in the population because sig = .055"
Option 2 is correct. Please remember that in ANOVA we use sample statistics to assess the likelihood that the hypothesis on the entire popualtion is true
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