This Statistics video explains how to find the Z-Score given the confidence level of a normal distribution. It contains examples showing you how to do so using the positive Z-score table.
Introduction to Statistics:
Introduction to Probability:
Central Limit Theorem:
Standard Error of The Mean:
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Confidence Intervals & Margin of Error:
Find The Z-Score Given Confidence Interval:
How To Calculate The Sample Size:
Student's T-Distribution:
Confidence Interval-Population Proportion:
Chebyshev's Theorem:
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Hypothesis Testing - Null & Alternative:
Type I and Type II Errors:
One Tailed and Two Tailed Tests:
Test Static For Means & Pop Proportions:
Hypothesis Testing Problems:
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Final Exams and Video Playlists:
Full-Length Videos and Worksheets: