Research Methods for the Behavioral Sciences (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
5th Edition
ISBN: 9781305104136
Author: Frederick J Gravetter, Lori-Ann B. Forzano
Publisher: Wadsworth Publishing
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Chapter 16, Problem 2E

In 1994, Steven Schmidt published a research report demonstrating that humor has a positive effect on human memory. Write a sentence that presents this result as a statement of fact that cites the 1994 publication.

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The following table describes the probability distribution of the number of Mexican-Americans serving on a 12-member jury in Hidalgo County, Texas. Assuming we repeat the random selection process for the 12 jurors and count the number of Mexican-Americans each time, calculate the mean number of Mexican-Americans (out of 12), the variance, and the standard deviation. Use these results and the interval rule of thumb to calculate the highest common value and the lowest common value. Based on the results, determine whether a jury consisting of 7 Mexican-Americans out of 12 jurors is common or uncommon. Probability distribution: probabilities of numbers of Mexican-Americans on a 12-member jury, assuming the members are randomly selected from a population in which 80% of the inhabitants are Mexican-American x (méxico- estadouni- P(x) denses) 0 0+ 1 0+ 2 0+ 3 0+ 4 0.001 5 0.003 6 0.016 7 0.053 8 0.133 9 0.236 10 0.283 11 0.206 12 0.069
a) When two variables are correlated, can the researcher be sure that one variable causes the other? If YES , why?  If NO , why? b) What is meant by the statement that two variables are related? Discuss with examples.
Good Day, assist me with plotting the following. I've already calculated the System Average Interruption Duration Index and System Average Interruption Frequency Index. using this data  Create time series plots form the reliability metrics SAIDI and SAIFI along with thetrend lines based on the linear regression SAIDI(MINUTES) SAIFI(Interruptions) 2.58 0.045 2.94 0.056 2.32 0.056 3.21 0.177 2.78 0.180 2.72 0.121 2.44 0.119 3.19 0.175 2.21 0.065 2.30 0.135 3.49 0.128 3.60 0.112 2.15 0.104 3.75 0.055 3.12 0.036 2.85 0.123 2.62 0.173 3.08 0.047 1.92 0.040 2.94 0.147
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