F-Distribution Calculator
You might also want to consider using F-distribution table (Click Here) instead of these calculators.
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WordPress on Google Cloud: Access phpMyAdmin and files
Unlike some typical WordPress host companies, there is no direct page on Google Cloud to access phpMyAdmin and WordPress files. In this post, I will provide a quick summary of the methods. phpMyAdmin for WordPress on Google Cloud For more information, you can refer to this following YouTube video (not mine). Access WordPress files on … Read more
Dog Names: A List for Boy and Girl Puppies
To help you find inspiration, we’ve compiled a list of the 100 popular dog names, along with a brief explanation of why each name is loved by dog owners. Whether you’re looking for something classic, trendy, or unique, this list has something for every pup and personality. From names inspired by beloved characters to those … Read more
Sample Variance Formula and Calculation by Hand
Sample variance is the measure of the variability in a given sample. A sample is a set of observations that are a subset of a population. Sample Variance Formula The following is the formula for sample variance. where, Data Example The following is a sample of 6 students with math scores. Calculating sample variance by … Read more
Calculate Standard Deviation in Excel
STDEV(), STDEV.S(), and STDEV.P() can be used to calculate standard deviation in Excel. It depends on if you are calculating sample or population standard deviation. Sample Standard Deviation: Use either STDEV() or STDEV.S(). Population Standard Deviation: Use STDEV.P(). Example 1 The following is a sample of 6 students. You can use =STDEV(B2:B7) to calculate the sample standard … Read more
Conduct Paired Samples t-test in Excel
This tutorial shows detailed steps of how to do paired-sample t-test in Excel with a data example. Data Example The data table shown below has 3 columns, name, math, and English. We are going to compare if Math and English are significantly different. Hypothesis The followings are the null hypothesis and the alternative one for … Read more
How to Calculate Two-Factor ANOVA without Replication
ANOVA Two-Factor without Replication is used for a design of two factors (e.g., Factor A and Factor B) and only 1 observation in each cell. For instance, both Factor A and Factor B have two levels, leading to 4 cells in total. Each cell only has 1 observations (see below). Variance Partitioning Two-Factor ANOVA without … Read more
Difference between ANOVA Two-Factor with Replication and without Replication
You use ANOVA: Two-Factor without Replication when each cell only has 1 observation, but use Two-Factor with Replication when each cell has more than 1 observation. For instance, there are two factors, City and Chain Brand. Each has 2 levels, leading to 4 cells (see the figure below). Each cell in the left-hand data table … Read more
Two-Way ANOVA: Formulas and Calculation by Hand
This tutorial will first show the formulas for Two-way ANOVA and then use an example to show how you can calculate two-way ANOVA by hand. The following depicts the conceptual framework of the variance breaking down for two-way ANOVA. Typically, Two-way is used for experiment data analyses. Data example for two-way ANOVA This is the … Read more
Two-Way ANOVA in Excel
This tutorial shows how you can do two-way ANOVA in Excel. Different from one-way ANOVA, two-way ANOVA has two independent variables. Note that, two-way ANOVA is also called two-factor ANOVA. Prepare data and hypothesis writing Suppose Brand A sells its products in city1 and city2, each city with 2 grocery store chains (Grocery store Chain … Read more