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Dec 05, 2025
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STAT 225 - Introduction to Statistics Credits: 3
A first course in probability and statistics; random sampling; graphical and numeric summaries of qualitative and quantitative data; correlation and least squares regression; probability and random variables; the normal distribution, sampling distributions and the Central Limit Theorem; confidence intervals for one mean and one proportion; sample size estimation; hypothesis tests for one parameter, power and type I and II errors; statistical inference for the difference of two means based on independent samples and matched pairs designs; statistical inference for the difference of two population proportions.
Note
Cannot be taken for credit if credit has been received for STAT 240 or 250.
Repeat for Credit
N
Requisites
Students not meeting at least one of the KBOR placement measures below are required to also take STAT 226, which is a 2-credit corequisite support class.
Placement measures: A test score equal to or greater than, Math ACT 19 OR Math SAT 510 OR ALEKS PPL 30 OR Accuplacer QAS 255; OR (unweighted HS GPA 3.00 AND grade of C- or better in Algebra 2 or Integrated Math 3); OR MATH 100.
Typically Offered
Fall, Spring, Summer
K-State Core
3 Math and Statistics
K-State 8
Empirical and Quantitative Reasoning
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