Need help on stats question... for the question. Write the null and alternative
ID: 3363691 • Letter: N
Question
Need help on stats question... for the question. Write the null and alternative hypothesis, choose the appropriate test, run it, and show results. Whether you accept or reject the null. Also, I need ANOVA to be used with SPSS table :) 3 A researcher has collected frogs from three different ponds and is curious if the ponds smber orasies hensedisets the fogs and coumts the number of parasites in their livers: Pond 1: 12, 14, 15, 16, 13 Pond 2: 18, 20, 19, 21, 21 Pond 3: 22, 24, 22, 21,20 First: do the data have homogeneous variances? Do the ponds differ in the level of parasite attack? Which ponds differ?Explanation / Answer
Hypothesis:
Descriptives
Data
N
Mean
Std. Deviation
Std. Error
95% Confidence Interval for Mean
Minimum
Maximum
Lower Bound
Upper Bound
1
5
14.00
1.581
.707
12.04
15.96
12
16
2
5
19.80
1.304
.583
18.18
21.42
18
21
3
5
21.80
1.483
.663
19.96
23.64
20
24
Total
15
18.53
3.681
.951
16.49
20.57
12
24
Test of Homogeneity of Variances
Data
Levene Statistic
df1
df2
Sig.
.068
2
12
.935
ANOVA
Data
Sum of Squares
df
Mean Square
F
Sig.
Between Groups
164.133
2
82.067
38.469
.000
Within Groups
25.600
12
2.133
Total
189.733
14
Multiple Comparisons
Dependent Variable: Data
Scheffe
(I) PondName
(J) PondName
Mean Difference (I-J)
Std. Error
Sig.
95% Confidence Interval
Lower Bound
Upper Bound
1
2
-5.800*
.924
.000
-8.38
-3.22
3
-7.800*
.924
.000
-10.38
-5.22
2
1
5.800*
.924
.000
3.22
8.38
3
-2.000
.924
.138
-4.58
.58
3
1
7.800*
.924
.000
5.22
10.38
2
2.000
.924
.138
-.58
4.58
*. The mean difference is significant at the 0.05 level.
We failed to reject null in H0a and Reject H0b
Descriptives
Data
N
Mean
Std. Deviation
Std. Error
95% Confidence Interval for Mean
Minimum
Maximum
Lower Bound
Upper Bound
1
5
14.00
1.581
.707
12.04
15.96
12
16
2
5
19.80
1.304
.583
18.18
21.42
18
21
3
5
21.80
1.483
.663
19.96
23.64
20
24
Total
15
18.53
3.681
.951
16.49
20.57
12
24
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