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Textbook Notes for Statistics at University of California - Los Angeles (UCLA)

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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter 3.1-3.3: Confidence Interval, Standard Error

OC11525962 Page
8 Oct 2016
2
Estimation: tells how large the effect is by giving us an interval of values. Confidence interval: interval of plausible values for the size of the eff
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter 10: Total Variation, Dependent And Independent Variables, Null Hypothesis

OC11525962 Page
20 Nov 2016
1
Section 10. 1: summarizing the relationship between two quantitative variables using the. Scatterplot: shows the two values for each observational unit
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter 9: Type I And Type Ii Errors, Null Hypothesis, Dependent And Independent Variables

OC11525962 Page
23 Nov 2016
2
Section 9. 1: simulation based approach for comparing more than two groups with a quantitative response. If we conduct two-sample comparisons between g
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UCLASTATS 10Cha, MFall

STATS 10 Chapter Notes - Chapter 4: Batter Up, Scatter Plot, Dependent And Independent Variables

OC16503857 Page
29 Oct 2017
0
I have attached the graph for at_bats and runs below: In addition, the points do not form a u or and inverted u shape. therefore we can see that a non-
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter 2: Null Hypothesis, Standard Error, Simple Random Sample

OC11525963 Page
2 Oct 2016
6
Census: collecting data on the entire population. Statistic: proportion or number calculated about a sample. Parameter: the proportion (numerical summa
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter 1.1-1.3: Null Hypothesis, Alternative Hypothesis, Coin Flipping

OC11525963 Page
23 Sep 2016
9
Xi: the value of the ith observation for a variable of interest. Statistical significance: indicates strength of the evidence. Four main types of concl
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter 7: Assigned Reading Ch 7

OC11525962 Page
27 Oct 2016
4
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter 6: Assigned Reading Ch 6

OC11525962 Page
22 Oct 2016
4
Lower quartile (25th percentile): the value for which 25% of the data lie below that value. Upper quartile (75th percentile): the value for which 25% o
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter 5: Assigned Reading Ch 5

OC11525963 Page
19 Oct 2016
8
Small p-value indicates strong evidence against the null hypothesis. Conclude difference we observed between groups is not due to random assignment pro
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter 4: Blind Experiment, Near-Sightedness, Observational Study

OC11525962 Page
13 Oct 2016
8
Ex. smokers have higher rates of lung cancer. Cannot prove that lung cancer is caused by smoking. Variable that is related to both the explanatory and
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UCLASTATS 13SchoenbergFall

STATS 13 Chapter Notes - Chapter P: Probability Distribution, Standard Deviation, Organ Donation

OC11525962 Page
23 Sep 2016
7
Anecdotal evidence: personal observations or striking examples. Statistics: science of producing useful data to address a research question, analyzing
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UCLASTATS 10Vivian LewSpring

STATS 10 Chapter Notes -F 17 Kallinge, Indep, Alder

OC1626032 Page
27 Jun 2014
23
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