One Quantitative Variable
Variable name:
Number of groups:
1
2
3
Input:
Raw data
Mean and standard deviation
Five-number summary
Input data separated by commas or spaces.
Group 1 name:
Group 1 data:
Group 1 mean:
SD:
n:
Group 1 min:
Q1:
median:
Q3:
max:
Group 2 name:
Group 2 data:
Group 2 mean:
SD:
n:
Group 2 min:
Q1:
median:
Q3:
max:
Group 3 name:
Group 3 data:
Group 3 mean:
SD:
n:
Group 3 min:
Q1:
median:
Q3:
max:
Graph Distributions
Graph type:
Dotplot
Stemplot
Histogram
Boxplot
Graph type:
Dotplot
Histogram
Boxplot
Split stems:
No
Yes, into two
Yes, into five
Label histogram with:
Frequency
Relative frequency
Enter interval width:
Enter boundary value:
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Summary Statistics
Perform Inference
Inference procedure:
1-sample t interval
1-sample t test
Simulate sample mean
Simulate mean difference
Confidence level:
90%
95%
99%
Alternative hypothesis:
μ <
μ ≠
μ >
Hypothesized mean:
Inference procedure:
2-sample t interval (μ₁ - μ₂)
2-sample t test
Simulate difference in two means
Conservative degrees of freedom:
No
Yes
Confidence level:
90%
95%
99%
Alternative hypothesis:
μ₁ - μ₂ < 0
μ₁ - μ₂ ≠ 0
μ₁ - μ₂ > 0
Add this many samples:
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Count the
number
percent
of dots
less than
greater than
or equal to
Adjust rounding and color preferences
