Joseph Mburu
Joseph Mburu is a seasoned Statistician and Data Analyst with over 6 years of experience in applied statistics, data science, and quantitative research. He holds advanced degrees in Applied Statistics and Data Analytics, demonstrating strong formal expertise. As the founder of Stat Study Hub, Joseph empowers students, researchers, and professionals by simplifying complex statistical concepts through interactive calculators, tutorials, and data insights. Recognized for his practical approach and deep knowledge, Joseph is committed to making statistics accessible and actionable.
Latest Articles by Joseph Mburu
How to Find Sample Mean in Excel
November 27, 2025
The sample mean is one of the most common and useful measures in statistics. It gives you a single number that summarizes the average value of your data, making it easier to understand patterns, compare groups, and make decisions. Whether you’re a student, researcher, or professional, knowing how to calculate it quickly can save you […]
Read MoreFinding F Critical Value in Excel (Step-by-step Guide)
November 22, 2025
After performing an F-test—such as ANOVA or a comparison of variances—you end up with an F-statistic. To determine whether the result is statistically significant, you must compare this value to the F-critical value. If the F-statistic is greater than the F-critical value, you reject the null hypothesis. If not, you fail to reject it. Traditionally, […]
Read MoreF Distribution Table PDF (with free download)
November 21, 2025
The F distribution is a type of probability distribution used in statistics. It is commonly applied in tests that compare variances, such as ANOVA and regression analysis. Understanding the F distribution helps researchers decide whether differences between groups are statistically significant. One of the most important tools for working with the F distribution is the […]
Read MoreHow to Find T Critical Value in Excel (A step-by-step Guide)
November 17, 2025
A t critical value is a cutoff point that helps you decide if your results are statistically significant. Many people find it easier to calculate this value in Excel because it is fast and does not require a t-table. In this guide, you will learn simple, step-by-step methods to find the t critical value in […]
Read MoreT-Distribution Table
November 15, 2025
The t-distribution table is a chart that shows critical values for the t-distribution. These values help you decide if your test results are statistically significant. This page includes the main t tables, including a one-sided t-distribution table, a two-sided t-distribution table, and a combined t-distribution table, so you can quickly find the values you need […]
Read MoreHow to Find T Critical Value (Using T-Distribution Tables)
November 15, 2025
The t-critical value is an essential part of statistics and hypothesis testing. It helps you decide whether your results are significant or just due to chance. Without the t-critical value, it is impossible to make accurate conclusions from small sample data. In this guide, you will learn what a t-critical value is, why it matters […]
Read MoreHow to Calculate Binomial Probability (Step-by-Step with Examples)
November 12, 2025
Binomial probability shows the chance of getting a certain number of successes in a fixed number of trials. Each trial has only two outcomes: success or failure. For example, it can help you find the chance of getting three heads in five coin tosses. It can also show the chance of finding two defective bulbs […]
Read MoreMean of Binomial Distribution
November 5, 2025
The binomial distribution is a common discrete probability distribution model used to describe situations with repeated trials and two possible outcomes. Many students search for the “mean of binomial distribution” because they want a clear understanding of how to find the expected number of successes in such experiments. The mean offers a simple way to […]
Read MoreHow to Find Z critical Value in Excel
November 4, 2025
A Z critical value is a cutoff point on the standard normal distribution that helps you make decisions in hypothesis testing and confidence intervals. Many students and researchers prefer Excel because it offers simple functions that make these values easy to calculate without manual tables. In this guide, you will learn how to find Z […]
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