A) Was there a significant difference in the number of colds between those who took vitamin c (1) and those that did not (2) B) What was the average number of colds in the group that did take Vitamin C

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A) Was there a significant difference in the number of colds between those who took vitamin c (1) and those that did not (2) B) What was the average number of colds in the group that did take Vitamin C
Group Statistics
Vit C
N
Mean
Std. Deviation
Std. Error Mean
Num of Colds
1
25
2.60
1.500
300
2
25
4.44
1.850
.370
Independent Samples Test
Levene's Test for
Equality of Variances
t-test for Equality of Means
95% Confidence Interval of
the Difference
F
Sig.
df
Sig. (2-
tailed)
Mean Difference
Std. Error
Difference
Lower
Upper
# of
Equal variances
3.025
.088
-3.863
48
.02
-1.840
.476
-2.798
-.882
Colds
assumed
Equal variances not
assumed
-3.863 46.031
.02
-1.840
476
-2.799
-881
Transcribed Image Text:Group Statistics Vit C N Mean Std. Deviation Std. Error Mean Num of Colds 1 25 2.60 1.500 300 2 25 4.44 1.850 .370 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference F Sig. df Sig. (2- tailed) Mean Difference Std. Error Difference Lower Upper # of Equal variances 3.025 .088 -3.863 48 .02 -1.840 .476 -2.798 -.882 Colds assumed Equal variances not assumed -3.863 46.031 .02 -1.840 476 -2.799 -881
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