# Content Tagged “Z-Score”

Published: Mar 17th, 2014

Presentation with Transcript Part A (5:34) Slides 1-6 Introduction Effect of Sample Size on Hypothesis Testing Part B (3:11) Slides 7 – 11 Statistical Significance vs. Practical Importance Part C […]

## Proportions (Step 4 & Summary)

Published: Mar 17th, 2014

Video (4:30) Presentation with Transcript This document linked from Proportions (Step 4 & Summary)

## Proportions (Step 3)

Published: Mar 17th, 2014

Presentation with Transcript Part 1 (7:28) Slides 1-7: Finding P-Values Part 2 (7:18) There is an error in the transcript for SLIDE 13: It says “We can enter 2.5 in for “x” […]

## Proportions (Step 2)

Published: Mar 17th, 2014

Presentation with Transcript Part 1 (8:16) Slides 1-10: Introduction and Test Statistics Part 2 (4:12) Slides 11-16: Check Conditions This document linked from Proportions (Step 2)

## Normal Random Variables

Published: Feb 5th, 2014

Video (2:08) Transcript – Normal Random Variables This document linked from Normal Random Variables

## Summary (Unit 3B – Random Variables)

Published: Jan 20th, 2014

Random Variables Binomial Random Variables Continuous Random Variables We have almost reached the end our discussion of probability. We were introduced to the important concept of random variables, which are quantitative variables whose […]

## Learn by Doing – Proportions (Step 2) Understanding the Test Statistic

Published: Oct 22nd, 2013

Consider the population of part-time college students. Suppose that 60% of this population is female. Here is the sampling distribution for the proportion of females in random samples of n […]

## The Normal Shape

Published: Jul 23rd, 2013

View Lecture Slides with Transcript – The Normal Shape Video (5:34) This document is linked from The Normal Shape.

## Measures of Position

Published: Jul 23rd, 2013

View Lecture Slides with Transcript – Measures of Position Student reported Error in This Video:  In slide 7, there is an extra “the” in the third bullet. “If we standardize […]

## Measures of Position

Published: Jul 20th, 2013

Percentiles Five-Number Summary Standardized Scores (Z-Scores) Measures of Position CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. […]