How to Round in R
How to Round in R This is a good source https://www.geeksforgeeks.org/rounding-off-values-in-r-language-round-function/
Chebyshev’s Theorem Excel Calculator
Chebyshev’s Excel Calculator Chebyshev’s Theorem can be used for any type of distribution, but if the problem says the distribution is “bell shaped,” use the Empirical Rule unless the problem specifically says to use Chebyshev’s.… Chebyshev’s Theorem Excel Calculator
Why is 2-tail p-value twice the 1-tail p-value?
Add Your Heading Text Here Why is the two-tail p-value always twice the one-tail p-value in a t-test? In the t-test output below, notice that the two-tail p-value is 0.66852 while the one-tail p-value is… Why is 2-tail p-value twice the 1-tail p-value?
Correlation: Introduction to Relationships
In the last lesson, you learned about the Two-way Chi-square Test for Independence. Using it, you can determine if two categorical variables are independent. If two variables are not independent, they are related. Knowing something… Correlation: Introduction to Relationships
Correlation and Chi-square Tests for Independence
The word “correlate” has several meanings, e.g. “If two or more facts, numbers, etc. correlate or are correlated, there is a relationship between them” (Cambridge Dictionary, n.d.) And “to show that a close connection exists… Correlation and Chi-square Tests for Independence
Empirical Rule and z-score Probability
Empirical Rule The Empirical Rule applies to a normal, bell-shaped curve than is symmetrical about the mean. It states that within one standard deviation of the mean (both left-side and right-side) there is about 68% of… Empirical Rule and z-score Probability