University:
Massachusetts Institute of Technology
Course:
18.05 | Introduction to Probability and Statistics
Academic year:

2024
Views:

96

Pages:

1
Author:

Accinkiquicpqw

It is very important to be able to understand statistical shorthand. Here is a list of common symbols we will use throughout the semester. Symbol Pronunciation Meaning n N x̄ µ s2 σ2 s σ Q1 IQR p̂ p H0 Ha α – – x bar mew – sigma squared – sigma – – p hat – H null H a or H alt alpha sample size population size sample mean population mean sample variance population variance sample standard deviation population standard deviation First quartile (2, 3, and 4th quartiles have appropriate subscripts) Interquartile Range sample proportion population proportion null hypothesis alternative hypothesis level of significance sample statistic population parameter We will use a few other symbols later in the semester, but this covers the majority we will start with.