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				Nov 04, 2025			
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                  MAT 157 - Statistics Credits: 4 Lecture Hours: 4 Lab Hours: 0 Practicum Hours: 0 Work Experience: 0 Course Type: Core Statistics: Collection, organization, and presentation of data; descriptive statistics; elementary probability; probability distributions; elements of statistical inference; estimation and hypothesis testing; linear correlation and regression; chi-squared tests. Prerequisite: Minimum ALEKS score of 30% or MAT 064  with a C- or better. Competencies   
	- Analyze statistical processes
	
		- Classify various sampling methods
 
		- Distinguish between data types
 
		- Identify the impact of experimental design on experimental results
 
	 
	 
	- Create appropriate data representations
	
		- Construct tables, charts, and graphs
 
		- Interpret measures of center, position, and spread
 
	 
	 
	- Examine fundamentals of probability and counting
	
		- Utilize empirical and theoretical probability
 
		- Solve for the probability of simple, compound, conditional, independent, and mutually exclusive events
 
		- Choose appropriate counting principles
 
	 
	 
	- Analyze probability distributions
	
		- Define a probability distribution in terms of a random variable
 
		- Examine discrete and continuous distributions
 
		- Identify the descriptive values for a given probability distribution
 
	 
	 
	- Evaluate sampling distributions
	
		- Apply the Central Limit Theorem
 
		- Calculate the mean and standard error of a sampling distribution
 
		- Assess estimators in relation to sampling distributions
 
	 
	 
	- Support statistical inference with confidence intervals
	
		- Determine confidence intervals for one and two sample scenarios
 
		- Interpret confidence intervals for one and two sample scenarios
 
	 
	 
	- Create appropriate hypothesis test regarding one population parameter
	
		- Test claims about population proportions, means, and standard deviations
 
		- Evaluate claims about population proportions, means, and standard deviations using p-values
 
		- Discuss potential Type I and Type II errors of hypothesis tests
 
		- Support statistical inference by using confidence intervals
 
	 
	 
	- Create appropriate hypothesis test regarding two population parameters
	
		- Test claims about the difference of two independent means and proportions
 
		- Perform a matched pairs t-test
 
		- Assess claims about two population variances or standard deviations using the F-distribution
 
		- Use a chi-square distribution to conduct a goodness-of-fit test and test of independence
 
		- Support statistical inference by using confidence intervals
 
	 
	 
	- Evaluate linear correlation and linear models
	
		- Determine and interpret the correlation coefficient and line of best fit
 
		- Test the correlation coefficient for significance
 
		- Generate the appropriate predicted values from the linear model
 
		- Analyze the residual plot to determine suitability of linear model
 
	 
	 
  Competencies Revised Date: 2022
				  
  
			
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