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Chapter 8
Chapter 8

Section 1.1 - College Home
Section 1.1 - College Home

Bias in Estimation and Hypothesis Testing of Correlation
Bias in Estimation and Hypothesis Testing of Correlation

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... and means we think the average distance from the earth to the sun is somewhere between 92½ to 93½ million miles. Suppose we write the distance as 93,000,000. Surely this distance is not accurate to the nearest mile. You must use judgment when interpreting significant digits. You must use judgment in ...
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Stat 5102 Lecture Slides: Deck 2 Statistical Inference, Bias

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Introduction to Statistics for Researchers - Oak

Blackwelder, W.C.; (1977)Statistical Methods for Detecting Genetic Linkage from Sibship Data."
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< 1 ... 10 11 12 13 14 15 16 17 18 ... 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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