PreparED Study Materials

STAT 208: Statistics

School: Northern Illinois University

Number of Notes and Study Guides Available: 2

Notes

Videos

Estimating Study Hours: A 99% Confidence Method"
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore how a university dean estimates freshmen study hours using statistical methods. Understand the importance of z-scores, confidence levels, and sample sizes in making accurate predictions. Learn how to ensure results are within a desired error margin.

Analyzing Grade Variance: Is it More than Usual? A Chi-Square Test
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Discover the process of analyzing variance in midterm grades with a Chi-Square test. Understand the significance of high variance and its implications. Follow along as we assess a professor's suspicion about unusually varied student performance.

Probabilities with Poisson Variables X1 & X2
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore the complexities of two independent Poisson random variables, X1 and X2, with means ?1 = 2 and ?2 = 3. Understand the process of calculating specific event probabilities and the application of the Poisson formula. Key takeaways include the manipulation and interpretation of these statistical values.

Analyzing Age Distribution of Proofreaders: A Statistical Approach
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Discover the statistical process behind analyzing the age distribution of proofreaders at a publishing company. Learn how to use the Z-score formula for individual and sample mean probabilities, and how to interpret results using a Z-table.

Poisson Distribution in Event Count & Uranium Discovery
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore the dynamics of Poisson distribution using both theoretical understanding and a practical application related to discovering uranium deposits. With the help of Bayes' formula and parameter adjustments, interpret various probabilities and outcomes for event occurrences.

Actinomycin D's Impact on RNA Synthesis: An Experimental Insigh
Stars

Want To Learn More? To watch the entire video and ALL of the videos in the series:

Add to cart

Explore a biologist's experiment testing the effects of actinomycin D concentrations on RNA synthesis in cells. By analyzing the outcomes and calculating p-values, this video offers insights into how higher concentrations might inhibit normal RNA synthesis.

Textbook Solutions (0)

Top Selling Study Tools

×

Login

Login or Sign up for access to all of our study tools and educational content!

Forgot password?
Register Now

×

Register

Sign up for access to all content on our site!

Or login if you already have an account

×

Reset password

If you have an active account we’ll send you an e-mail for password recovery

Or login if you have your password back