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JMU BIO 250 LAB FINAL UPDATED Exam Questions and CORRECT Answers

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JMU BIO 250 LAB FINAL UPDATED Exam Questions and CORRECT Answers used to compare relationship between 2 variables - CORRECT ANSWER Regression Compare means of 2 variables - CORRECT ANSWER - Linear - normally distributed: t-test abnormally distributed: Mann-Whitney comparing categories or preferences - CORRECT ANSWER Linear Regression steps - CORRECT ANSWER - chi square - analyze - regression - lin

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BIO 250
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JMU BIO 250 LAB FINAL UPDATED
Exam Questions and CORRECT Answers
used to compare relationship between 2 variables - CORRECT ANSWER - Linear
Regression


Compare means of 2 variables - CORRECT ANSWER - normally distributed: t-test
abnormally distributed: Mann-Whitney


comparing categories or preferences - CORRECT ANSWER - chi square



Linear Regression steps - CORRECT ANSWER - analyze - regression - linear
independent: IV
dependent: DV


R square - CORRECT ANSWER - explains variability



R square = 0.5 - CORRECT ANSWER - explains 50% variability



Linear regression p< 0.05 - CORRECT ANSWER - reject null with (100 - p-value)%
confidence


Shapiro-Wilk test - CORRECT ANSWER - test for normality



Shapiro-Wilk Steps - CORRECT ANSWER - analyze- descriptive stats- explore- plots-
normality plots with tests


shapiro wilk p values - CORRECT ANSWER - p > 0.05 = normally distributed
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