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What is a confidence interval? | Midterm Exam

June 21, 2022June 14, 2022 by Adam Wise

Imagine you’re watching A Christmas Story, and Ralphie just opened up his brand-new Red Ryder BB Gun on Christmas Day. Red Ryder claims that their guns … Read More

Categories ISA 225 - Principles of Business Analytics, Uncategorized Leave a comment

t-scores for means | Midterm Exam

June 21, 2022June 14, 2022 by Adam Wise

Here’s an example problem that deals with calculating a t-score for a given sample mean: Question: Red Ryder BB Guns claims that their rifles shoot … Read More

Categories ISA 225 - Principles of Business Analytics, Uncategorized Leave a comment

What is a t-score? | Midterm Exam

June 21, 2022June 13, 2022 by Adam Wise

t-scores are best used when you (1) are not given the population standard deviation or (2) do not have a sample size greater than 30. … Read More

Categories ISA 225 - Principles of Business Analytics, Uncategorized Leave a comment

Z-scores for means vs. proportions | Midterm Exam

June 21, 2022June 13, 2022 by Adam Wise

In our IQ example from What is a Z-score?, we were simply given a data point and asked to compute its Z-score based on the … Read More

Categories ISA 225 - Principles of Business Analytics Leave a comment

Protected: Crammer Nation Formula explained – Pythagorean theorem

May 31, 2022May 31, 2022 by Adam Wise

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Answer #5 | SQL Cram Kit

March 24, 2022 by Adam Wise

Restricted Content Already logged in? Please try refreshing the page first. This page is restricted to users that have purchased access to this page. Please … Read More

Categories SQL Exam Tags Without Videos Leave a comment

Answer #4 | SQL Cram Kit

March 24, 2022 by Adam Wise

Restricted Content Already logged in? Please try refreshing the page first. This page is restricted to users that have purchased access to this page. Please … Read More

Categories SQL Exam Tags Without Videos Leave a comment

Answer #3 | SQL Cram Kit

March 24, 2022 by Adam Wise

Restricted Content Already logged in? Please try refreshing the page first. This page is restricted to users that have purchased access to this page. Please … Read More

Categories SQL Exam Tags Without Videos Leave a comment

Answer #2 | SQL Cram Kit

March 24, 2022 by Adam Wise

Restricted Content Already logged in? Please try refreshing the page first. This page is restricted to users that have purchased access to this page. Please … Read More

Categories SQL Exam Tags Without Videos Leave a comment

Answer #1 | SQL Cram Kit

March 24, 2022 by Adam Wise

Restricted Content Already logged in? Please try refreshing the page first. This page is restricted to users that have purchased access to this page. Please … Read More

Categories SQL Exam Tags Without Videos Leave a comment
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