Excel functions allow you to easily and correctly calculate the mean and standard deviation. Understanding the correct statistical concepts is important ...

Standard deviation is the variation or dispersion in a set of observations. Sometimes, you may want to calculate the standard deviation for a subset of your ...

Variance indicates how much the values in a dataset deviate from the mean (average). You can use built-in Excel functions to calculate the variance. ➤ ...

Standard deviation indicates the variation or dispersion of a set of observations. It signifies the deviation of each observation from the mean. You can use ...

A binomial distribution summarizes the number of successes in a fixed number of independent and identical trials. You can calculate binomial probability using ...

Probability is the likelihood that a particular event will occur. It is expressed as a number between 0 and 1. You can calculate probability using a built-in ...

The bell curve represents a normal distribution that is symmetrical about the mean. You can use a function to calculate the normal distribution value and then ...

The normal distribution is a bell shaped curve that is symmetrical about the mean. You can use functions to calculate normal distribution probability in Excel. ...

A lognormal distribution represents the distribution of a random variable whose logarithm is normally distributed. You can create a log normal distribution in ...

A test for normal distribution compares various statistics of the data to determine if the data follows a normal distribution. You can perform several test for ...

A percent frequency distribution displays the percentage of observations within a certain interval or category compared to the total number of observations. ...

A contingency table or crosstabs shows the frequency distribution of two categorical variables. You can use Excel features and functions to easily make a ...