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p values - Personal Web Pages
... than alpha, it is more reasonable to conclude that the observed results are members of some sampling distribution that represents a case when the alternative hypothesis is true. What a p Value Can Not Tell You 1. A small p value does not warrant use of the word “prove”. A single study, small p valu ...
... than alpha, it is more reasonable to conclude that the observed results are members of some sampling distribution that represents a case when the alternative hypothesis is true. What a p Value Can Not Tell You 1. A small p value does not warrant use of the word “prove”. A single study, small p valu ...
standard deviation of a random variable x
... assumes a value less than a given number a 3. b < x, the event that the random variable x assumes a value greater than a given number b (this can also be x > b) ...
... assumes a value less than a given number a 3. b < x, the event that the random variable x assumes a value greater than a given number b (this can also be x > b) ...
Paper-Based Answer Key/Scoring Rubric
... samples to draw informal comparative inferences about two populations. Although there is significant evidence that the student was able to recognize and apply the concepts involved, some aspect of the response is flawed. As a result the response merits 3 points. ...
... samples to draw informal comparative inferences about two populations. Although there is significant evidence that the student was able to recognize and apply the concepts involved, some aspect of the response is flawed. As a result the response merits 3 points. ...
Mendelian Genetics 2 Probability Theory and Statistics
... Descriptive statistics = measures of central tendency (average = mean, mode, etc.) and of dispersion (variance, standard deviation, etc.). Hypothesis-testing statistics = testing the validity of a model. Recall that an a priori probability is defined by a model or hypothesis, while an a posteriori p ...
... Descriptive statistics = measures of central tendency (average = mean, mode, etc.) and of dispersion (variance, standard deviation, etc.). Hypothesis-testing statistics = testing the validity of a model. Recall that an a priori probability is defined by a model or hypothesis, while an a posteriori p ...
Solutions_Activity_08 - Penn State Department of Statistics
... a. Use the empirical rule for bell-shaped data to determine intervals that will contain about 68%, 95% and 99.7% of amounts spent on textbooks by PSU students. Show work for each interval. 68% will be in interval 360± 90, or $270 to $450 95% will be in interval 360± (2×90), or $180 to $540 99.7% wil ...
... a. Use the empirical rule for bell-shaped data to determine intervals that will contain about 68%, 95% and 99.7% of amounts spent on textbooks by PSU students. Show work for each interval. 68% will be in interval 360± 90, or $270 to $450 95% will be in interval 360± (2×90), or $180 to $540 99.7% wil ...