# In this section, you will carry out the following basic estimation and tests of difference

**Question description**

Identify three continuous and three discrete variables and describe their distribution numerically (e.g., central tendency, spread) as well as graphically. Compare the results.

- Using the variables selected, conduct all possible
*t*-tests and chi-squared tests. Describe your findings.

In addition, discuss how data limitations (e.g., missing values, etc.) can affect the validity and reliability of statistical estimations and tests of differences. Be specific. Show your work using Microsoft Excel and import your work into a Microsoft Word document.

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