MedicalStat

Data Analysis

↓↓Copy/paste data sets into the cells↓↓ Or choose a data text file to upload →→
Data in file is in: Columns Rows
No. of data sets:
No. of entries:
Decimals:


1
2
3
4
5
6
7
8
9
10
Log transform?
Log transform?


Results

Data set 1 Data set 2
N
Mean Value
SE
% PI of Mean
% CI of Mean
SD (population)
SD (sample)
Var (population)
Var (sample)
Q1
Q2 (median)
Q3
Skewness
Kurtosis
Minimum
Maximum


Comparing two data sets

Data Set:    versus    Data Set:

Z-Test
Mean Difference (MD)
Mean1 - Mean2
MD SE of MD % CI of MD
Null Hypothesis (H0) Z-Value P-Value

MD

F-Test
Are variances equal? SD1 SD2 (SD1)2 (SD2)2 DF1 DF2 F1 Value
(lower)
F2 Value
(upper)
P1 Value
(lower)
P2 Value
(upper)
P Value
(total)



T-Test
Assuming
same variance
(SD1)2 = (SD2)2
Common SD Common SD2 DF SEMD % CI of MD
Null Hypothesis (H0) T Value P Value

MD
Assuming
different variance
(SD1)2 ≠ (SD2)2
SD1 SD2 (SD1)2 (SD2)2 DF SEMD % CI of MD
Null Hypothesis (H0) T Value P Value


MD

ANOVA

One-way analysis of variance: Sum of Squares Mean Squares Degrees of Freedom F-Value P-Value
Within Groups
Between Groups
Total

Two-way analysis of variance: Sum of Squares Mean Squares Degrees of Freedom F-Values P-Values
Between Rows
Between Columns
Error
Total

Graphs & Plots


(hold down ctrl (or cmd) to pick more than one data set)