The question was:The pain ratings are more variable in
Your Answer: The treatment condition
Answer and explanation: Your answer is correct.
The pain ratings are more variable in the treatment condition. This can be seen by both the range and
the standard deviation. The range for the treatment group is 10 and the range for the control group is
6 as can be seen by the minimum and maximum scores. The standard deviation for the treatment group is
3.14 and for the control group is 1.86. Both the range and the standard deviation of the treatment
group are bigger showing there is great variation in the spread of the score. This can also be seen on
the histograms.
Statistic
|
Treatment
|
Control
|
---|---|---|
N
|
29
|
21
|
Mean
|
4.3793
|
8.4286
|
Median
|
4.0000
|
9.0000
|
Trimean
|
4.0000
|
9.0000
|
Minimum
|
0.0000
|
4.0000
|
Maximum
|
10.0000
|
10.0000
|
25th Percentile
|
2.0000
|
8.0000
|
75th Percentile
|
6.0000
|
10.0000
|
Standard Deviation
|
3.1443
|
1.8593
|
Standard error of mean
|
0.5893
|
0.4057
|
Skew
|
0.5037
|
-0.9610
|
Kurtosis
|
-0.7375
|
-0.2728
|