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by: Kara Lyles

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# Passed week of notes STAT 110 - 002

Kara Lyles
USC

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Notes for 4/4/16- 4/8/16
COURSE
Introduction to Statistical Reasoning
PROF.
Gail Ward-Besser (P)
TYPE
Class Notes
PAGES
2
WORDS
CONCEPTS
Stat 110
KARMA
25 ?

## Popular in Statistics

This 2 page Class Notes was uploaded by Kara Lyles on Sunday April 10, 2016. The Class Notes belongs to STAT 110 - 002 at University of South Carolina taught by Gail Ward-Besser (P) in Spring 2016. Since its upload, it has received 53 views. For similar materials see Introduction to Statistical Reasoning in Statistics at University of South Carolina.

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Date Created: 04/10/16
Hypothesis testing Null hypothesis  use “=” signs  Assume null hypothesis is true until you find evidence to reject  Status quo, no change  Mean of normal distribution P value  Equivalent to probability, small evidence against the null  If p value is low the null shall go, which mean if the p value is lower than the null you have enough evidence to reject it. Alternative hypothesis  Tells us what probability we are calculating under the curve  Uses signs <, >=  Experimental hypothesis Level of significance  A p value that is used to determine if we will accept or reject the null hypothesis.  If you reject null hypothesis then you are saying that the alternative hypothesis is true. Practical Significance: deciding if the result is actually important

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