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1-10 of 22-
Correlation and Regression
MadonnaUSI
32,093 views
This clip describes what correlation represents and how to use a graphing calculator to determine what the correlation of a set of data. It also provides steps for graphin...
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Normal Distribution (Part 2)
MadonnaUSI
23,672 views
Describes how to find the p-value by hand via z-scores. Explains how to use a z-score chart. Works out a couple examples including by hand and also by using a graphing ca...
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Normal Distribution (Part 1)
MadonnaUSI
63,044 views
Describes density curves, the 68%-95%-99.7% rule and normal distributions. Examples are done and instructions on how to calculate the p-value using a graphing calculator a...
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Data Distributions (Part 2)
MadonnaUSI
2,124 views
Further explains 5 # summary and relates that information to outliers. Determine outliers using the interquartile range (IQR) rules. Also calculates the mean and standard...
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Data Distributions (Part 1)
MadonnaUSI
2,288 views
Describes how to find the 5 number summary of a data set (i.e. Min, Q1, Med, Q3, Max) and how to make a boxplot (box and whiskers plot). (Part 1 of 2)
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Stemplots and Histograms (Part 2)
MadonnaUSI
7,508 views
This is a clip describing how to make a histogram from a data set and a stemplot. (Part 2 of 2)
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Stemplots and Histograms (Part 1)
MadonnaUSI
10,730 views
This is a clip describing how to make a stemplot (stem and leaf plot) from a data set. (Part 1 of 2)
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2 Sample t-Procedures (Part 1)
MadonnaUSI
5,735 views
This discusses the key formulas used for calculating the t-procedures of a 2 sample test where the mean and standard deviation of the population are unknown.
(part 1 of 2)
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2-Sample t-Procedures (Part 2)
MadonnaUSI
2,283 views
Here are a couple of different examples using the t-procedures for 2-sample problems. One calculates the confidence interval and the other determines whether the null hypo...
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Prob and Stat Bloopers and Credits
MadonnaUSI
386 views
Here's a little fun in the making....
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