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Nov 21, 2024
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MTH 209AW - Statistics - Extended HoursCredits: 4 Instructional Contact Hours: 6
Studies statistical concepts including frequency distributions, measures of central tendency and dispersion, probability, confidence intervals, hypotheses testing, linear correlation and regression, chi-square, ANOVA, non-parametric tests. Credit may be earned in MTH 209W or MTH 209AW, but not both. A SPECIFIC GRAPHING CALCULATOR IS REQUIRED.
This course is designed for students who need practice in foundational skills while engaging in college-level study of mathematics and problem-solving skills. Class sessions and assignments will reinforce prerequisite skills and topics through embedded support and just-in-time remediation.
Prerequisite(s): High school GPA of 2.5 or higher within the last ten years OR completion of Guided Self-Placement (GSP) process. Corequisite(s): None Lecture Hours: 90 Lab Hours: 0 Meets MTA Requirement: Math Pass/NoCredit: Yes
Outcomes and Objectives
- Apply standard measures of descriptive statistics.
- Manipulate summation notation as it applies to mean, variance and standard deviation.
- Apply the midpoint formula to a weighted mean, mean from a frequency table/distribution as well as class marks for histograms.
- Follow the order of operations with emphasis on grouping symbols such as square roots and absolute value.
- Calculate, describe, and apply measures of center (mean, median, mode).
- Calculate, describe, and apply measures of variation (standard deviation, variance range).
- Calculate, describe, and apply percentiles.
- Calculate, describe, and apply graphs (frequency distributions, histograms, stem and leaf plots, box and whisker plots).
- Demonstrate understanding of statistical inference.
- Plot points and intervals on a number line as it applies to confidence intervals and z score comparison.
- Represent an inequality as an interval on a number line as it applies to confidence intervals and the comparison of probabilities.
- Compute the distance between two points on a number line as it applies to comparing test statistics with critical values as well as placing mean and standard deviation on a number line.
- Calculate powers of a number as it relates to the understanding of the binomial probability formula.
- Apply the complement, union and intersection as it relates to determining probability.
- Evaluate algebraic expressions and solve linear equations of one variable as it would relate to correlation, regression and minimum sample sizes.
- Identify different methods of data collection.
- Calculate and describe basic probability.
- Calculate probability using the binomial distribution, the normal distribution, and the central limit theorem.
- Use correlation and regression to describe relationships between numerical variables.
- Calculate confidence intervals to estimate population averages and proportions.
- Demonstrate an understanding of the logic of statistical inference.
- Order decimal numbers as it applies to hypothesis testing conclusions – both p-value to level of significance and comparison of critical value to test statistic.
- Convert between fractions, decimals and percent as it applies to hypothesis testing for proportions and computing test statistics.
- Compute and apply signed number arithmetic for z score, t score, chi square, and other summary statistics.
- Manually perform all of the steps of a hypothesis test for a claim about the population mean.
- Demonstrate understanding of the significant level of a test and the use of p-values in statistical software.
- Determine the appropriate test statistic and make inferences for a variety of models, including single sample mean (large and small sample), proportion and variance, two sample mean and proportion, Chi Square and ANOVA.
- Determine the appropriate non-parametric test statistic and make inferences for a variety of models, including sign test, Wilcoxon Signed-Rank test for Matched Pairs, Kruskal-Wallis Test and Rank Correlation.
- Communicate an understanding of statistical concepts in writing.
- Demonstrate knowledge of a statistical computer software package.
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