10+
Years Of Experience
1500+
1500+ Learning Sessions
3000+
Students Taught
100+
Projects Consulted
Shapiro Wilk Test Calculator
Test whether your sample data is consistent with a normal distribution before choosing a statistical test.
Kruskal Wallis Test Calculator
Compare three or more independent groups without assuming a normal distribution, using the Kruskal-Wallis test.
Wilcoxon Signed Rank Test Calculator
Compare two related (paired) samples when your data doesn't meet the assumptions for a paired t-test.
Mann Whitney U Test Calculator
Compare two independent groups when your data doesn't meet the assumptions for a t-test.
P-Value Calculator
Calculate the p-value for your test statistic across z, t, chi-square, and F distributions.
Margin of Error Calculator
Calculate the margin of error for your survey or study based on sample size, confidence level, and variability.
Interquartile Range (IQR) Calculator
Find Q1, Q3, the interquartile range, and outlier boundaries instantly from your dataset.
Effect Size Calculator
Measure the practical significance of a difference between groups, not just statistical significance.
Covariance Calculator
Measure how two variables change together. Enter paired data to see whether they move in the same or opposite directions.
Sample Size Calculator
Determine the sample size you need for your study based on confidence level, margin of error, and population variance.
Process
How our tutoring and consultation works in 3 simple steps
Connect
Tell us what you want to learn. Schedule a quick call or drop a message with your learning goals.Tell us what you want to learn. Schedule a quick call or drop a message with your learning goals.
Collaborate
We create a personalized learning plan based on your goals and conduct interactive online tutoring sessions focused on building your understanding.
Deliver
Build confidence in statistics through practical examples, guided problem-solving, and one-to-one instruction.