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**Math 263**

**MATH 263- Introduction to Statistics and BioStatistics **(3 credits)

**Description:** Organizing data; distributions, measures of center and spread, scatterplots, nonlinear models and transformations, correlation, regression. Design of experiments: models from probability, discrete and continuous random variables, normal distributions, sampling distributions, the central limit theorem. Statistical inference; confidence intervals and test of significance, t procedures, inference for count data, two-way tables and chi-square procedures, inference for regression, analysis of variance.

**Placement Level:** ALEKS PPL score of 60-100% , SAT I MSS 640-800, ACT MATH 26-36, or UA Math 112, 120R, 122B, or 125 required for placement into this course.
Test scores expire after one year.

**If my scores are lower than the Placement Level: ** Math 100, then Math 112, although students should first complete their foundation math requirement before taking Math 263.

**Comments:** Math 263 is not a prerequisite to other math courses. This course is a more thorough treatment of statistics for majors in the College of Science, Physiology, and a few other majors. This course cannot be used as a prerequisite for any math courses. Recommended as a second semester course or later, after foundation math requirement has been completed.

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