Topic:
Homework problems for Confidence Intervals (Statistics)
Details:
This is a collection of a handful of statistics problems that ask for Confidence intervals. Specifically, this is broken up 3 ways: Confidence interval for mean (sigma known), Confidence interval for mean (sigma unknown), and proportion.
There are many...
Tags:
statistics, analysis, confidence interval, alpha
Topic:
Simple Excel calculator to compute: Confidence intervals, Hypothesis Tests, and sample size
Details:
One of the biggest complaints about a statistics course (obviously, there are many complaints) is the tedious work of entering the same equation over and over (and over and over). This Calculator will take away a lot of that tedious work associated with a...
Tags:
Statistics, Confidence Interval, Hypothesis testing, test statistic, z, t distribution
Topic:
Statistics, Testing, Regression
Details:
Hypothesis Testing
1. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected 250 observations from population 1 (dual degree students) a...
Tags:
Linear Regression, T-Test, Z-Test
