You searched for - dummies

Showing 12 Search Results for David unger

There are no results for available. Check the spelling and try again, or check the most popular results from this topic.

Search Result
Sort By

12 results found.

• March 27,2016

### U Can: Statistics For Dummies Cheat Sheet

Details explaining what to do with data in every conceivable study or experiment can’t be contained on a single page. However, this Cheat Sheet...

• March 26,2016

### Evaluating Claims with Hypothesis Tests

You use hypothesis tests to challenge whether some claim about a population is true (for example, a claim that 90 percent of Americans own a cellphone...

• March 26,2016

### Looking at Confidence Interval Critical Values

Critical values (z*-values) are an important component of confidence intervals (the statistical technique for estimating population parameters). The z...

• March 26,2016

### Not-So-Simple Random Sampling

Simple random samples are the best way to get an unbiased, representative selection of individuals to be a part of a study. However, the process for g...

• March 26,2016

### Finding the Power of a Hypothesis Test

When you make a decision in a hypothesis test, there’s never a 100 percent guarantee you’re right. You must be cautious of Type I errors (...

• March 26,2016

### Central Tendency: Beyond the Basics

The mean and median are the two most reliable and commonly reported measures of the center, and they are used in a wide variety of situations. However...

• March 26,2016

### The Central Limit Theorem: What’s Large Enou

In a nutshell, the Central Limit Theorem says you can use the normal distribution to describe the behavior of a sample m...

• March 26,2016

### Checking Out Formulas for Confidence Intervals

In statistics, a confidence interval gives a range of plausible values for some unknown population characteristic. It contains an initial estimate plu...

• March 26,2016

### Top 10 Statistical Formulas

Formulas — you just can’t get away from them when you’re studying statistics. Here are ten statistical formulas you’ll use fre...

• March 26,2016

### Figuring Sample Size in Statistics

When designing a study, the sample size is an important consideration because the larger the sample size, the more data you have and the more precise...