Descriptives, Charts, Intervals and Tests
,
Probability Calculators:
Custom Discrete
,
Binomial
,
Poisson
,
Gaussian
,
T
Data Entry
Summary Statistics
Histogram
Box Plot
Confidence Interval for Mean
Confidence Interval for Std. Dev
Confidence Interval for Proportion
Hypothesis Test for Mean
Hypothesis Test for Variance
Hypothesis Test for Proportion
Sampling
Normality Test and QQ-Plot
Data Entry
Enter a list of data separated by comma, semicolon, space, tab or newlines
Repeated values can be added using the form 4x3 (this becomes 3 3 3 3)
1.5090e+1 6.1950e+0 8.2810e+0 1.0740e+1 8.1740e+0 1.3120e+1 1.0110e+1 1.0890e+1 1.1170e+1 1.2050e+1 2.8780e+0 8.9800e+0 9.9040e+0 1.4960e+1 1.1500e+1 1.1750e+1 1.0470e+1 5.2140e+0 9.0680e+0 4.0590e+0 1.1940e+1 9.8090e+0 1.2150e+1 7.2140e+0 8.7920e+0 1.0260e+1 1.0000e+1 1.6140e+1 1.3390e+1 1.1250e+1 1.1060e+1 1.4660e+1 1.1240e+1 9.7260e+0 1.0860e+1 1.2370e+1 1.2850e+1 8.2510e+0 6.6300e+0 7.1240e+0 1.0110e+1 5.9370e+0 1.1650e+1 1.0430e+1 1.3240e+1 1.0860e+1 8.9310e+0 1.0300e+1 1.2150e+1 1.1180e+1
Summary Statistics
Charts
Discrete Bars (only for integer data)
Your browser doesn't support canvas. Please update your browser.
Your browser doesn't support canvas. Please update your browser.
Confidence Intervals
Confidence Level (e.g. 0.95)
Mean Estimation
Choose Confidence Interval Input
Use Data
Enter summary stats
Sample Mean (x̄)
Sample Standard Deviation (s)
Sample Size (n)
Sample Size Calculator
Target Margin of Error
Standard Deviation Estimate
Required Sample Size (n)
Standard Deviation Estimation
Choose Confidence Interval Input
Use Data
Enter summary stats
Sample Standard Deviation (s)
Sample Size (n)
Proportion Estimation
Choose Confidence Interval Input
Use Data
Enter summary stats
Consider a success: X
<
≤
>
≥
Number of successes (x)
Sample Size (n)
Sample Size Calculator
Target Margin of Error
Proportion Estimate (p̂, optional)
Required Sample Size (n)
Hypothesis Testing
Significance Level (α, e.g. 0.05, optional)
T Test for Mean
Choose Data Input
Use Data
Enter summary stats
Sample Mean (x̄)
Sample Standard Deviation (s)
Sample Size (n)
H
0
: μ
=
H
1
: μ
<
>
≠
0
Test for Variance
Choose Data Input
Use Data
Enter summary stats
Sample Standard Deviation (s)
Sample Size (n)
H
0
: σ
2
=
H
1
: σ
2
<
>
≠
1
Test for Proportion
Choose Data Input
Use Data
Enter summary stats
Consider a success: X
<
≤
>
≥
Number of successes (x)
Sample Size (n)
H
0
: p
=
H
1
: p
<
>
≠
.5
Sampling
Sample Size:
Number of Samples:
Without replacement
With replacement
Samples
Sample Means
Normality
Your browser doesn't support canvas. Please update your browser.