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Statistics in Biology
Statistics in Biology

Ch9 File - FBE Moodle
Ch9 File - FBE Moodle

statistics and its role in psychological research
statistics and its role in psychological research

No Slide Title
No Slide Title

Point Estimation
Point Estimation

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Chapter 1: Review of Statistics PDF

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Chapter 10 Estimating Means and Proportions

anova
anova

... various F-ratios when the null hypothesis is true • Two types of degrees of freedom determine the shape of the distribution. – Between-Groups ...
Mann-Whitney U test - E
Mann-Whitney U test - E

Chapter 4: Variability
Chapter 4: Variability

Active Learning Questions
Active Learning Questions

Lecture 4
Lecture 4

... The Analysis of Variance The Bonferroni procedure described in the previous section is the most general approach to the multiple sample analysis of group differences in that it makes few assumptions on the data. If one is willing to make more assumptions about the data, other methods exist for anal ...
Bootstrapping: described and illustrated Comparing
Bootstrapping: described and illustrated Comparing

Hypothesis Testing: Single Mean and Single Proportion
Hypothesis Testing: Single Mean and Single Proportion

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MATH 170 – Trigonometry

The Method of Bootstrapping (5.8)
The Method of Bootstrapping (5.8)

Computer lab 2
Computer lab 2

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Lecture 12 - University of Pennsylvania



tps5e_Ch8_3
tps5e_Ch8_3

... freedom appear at the left of the row. For convenience, several of the more common confidence levels C are given at the bottom of the table. By looking down any column, you can check that the t-critical values approach the Normal critical values z* as the degrees of freedom increase. • When you use ...
QNT 561 Final Exam - Assignment
QNT 561 Final Exam - Assignment

Discussion 6
Discussion 6

Sample and Its Properties BMED2803 Fall07, BV Sample and Its Properties I
Sample and Its Properties BMED2803 Fall07, BV Sample and Its Properties I

... i=1 1/Xi These two sample averages are not often used in standard statistical analysis. The sample mean (mean), n X ¯ = X1 + · · · + Xn = 1 X Xi , n n i=1 ...
Section 8.1 Confidence Intervals: The Basics
Section 8.1 Confidence Intervals: The Basics

Credits: Three
Credits: Three

< 1 ... 60 61 62 63 64 65 66 67 68 ... 280 >

Student's t-test

A t-test is any statistical hypothesis test in which the test statistic follows a Student's t-distribution if the null hypothesis is supported. It can be used to determine if two sets of data are significantly different from each other, and is most commonly applied when the test statistic would follow a normal distribution if the value of a scaling term in the test statistic were known. When the scaling term is unknown and is replaced by an estimate based on the data, the test statistic (under certain conditions) follows a Student's t distribution.
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