Module# 3: Bivariate Analysis Homework

The following data represents the turnover rate of pre-boarding screeners at airports in USA during 1988 - 1999 and the security violations detected. 
The following are measurements for 20 random cases:
N = 20 measurements
Mean boarding screeners  = 261.2
Mean security violations  =  252.5
Assignment:
Question # 1 Describe the association between boarding screeners and security violations?
Question # 2 : Calculate Pearson’s Sample correlation coefficient using R?
Question # 3: Calculate Spearman’s Rank Coefficient using R?
Question # 4 Create Scatter plot using R. The code for Scatter plot in R: 




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