STAT141 Study Guide - Midterm Guide: Confidence Interval, Variance, Descriptive Statistics
14 Oct 2016
School
Department
Course
Professor
Descriptive statistics
Descriptive statistics
Study Hours
Score
count
20
20
mean
4.35
70.00
sample standard deviation
2.62
19.00
sample variance
6.87
361.05
minimum
0
40
maximum
8
96
range
8
56
standard error of the mean
0.59
4.25
confidence interval 95.% lower
3.12
61.11
confidence interval 95.% upper
5.58
78.89
z
1.96
1.96
skewness
-0.33
-0.39
kurtosis
-1.16
-1.05
coefficient of variation (CV)
60.26%
27.14%
normal curve GOF
p-value
.1353
.4724
chi-square(df=2)
4.00
1.50
E
4.00
4.00
O(-0.84)
6
5
O(-0.25)
1
2
O(+0.25)
5
4
O(+0.84)
3
5
O(inf.)
5
4
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