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Slide 1
Slide 1

Point Estimates
Point Estimates

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2002 AP Statistics Multiple Choice Exam

Name AP Statistics Multiple Choice Exam Directions: Solve each of
Name AP Statistics Multiple Choice Exam Directions: Solve each of

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1 Significance test for a mean

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2002 AP Statistics Multiple Choice Exam

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Lecture Notes-RM Capters 9&5-Measures of Central Tendency

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... the parameter is in our confidence interval", we express that 95% of the observed confidence intervals will hold the true value of the parameter. • After a sample is taken, the population parameter is either ...
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Going beyond the book: towards critical reading in statistics teaching

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Confidence Interval on a Proportion - SI-35-02

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Confidence Interval Estimation for the Mean

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3 Random Samples from Normal Distributions

... we have seen that it is plausible that the data is a normal random sample. With the outlier, x = 2622, without x = 2505:9. In either case, how reliable is our estimate, can we trust it? To within what error bounds? Should we include or exclude the outlier? If we exclude the outlier then the data is ...
Ch 7 Powerpoint - Campbell County Schools
Ch 7 Powerpoint - Campbell County Schools

You want to measure the physical fitness of students at your school
You want to measure the physical fitness of students at your school

Document
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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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