Objectives
a)
1) The histogram is constructed to know the distribution of background check for hand gun and long gun.
2) The box plots are plotted to identify the significant outliers in the dataset of background check for handgun and long gun.
3)
The scatter plot is constructed to know the linear relationship between
the background check and permit. The background check is considered for
two types of gun namely handgun and long gun.
4)
The correlation matrix is constructed to analyse the linear
relationship between permit and the background check of handgun and long
gun.
5) The normality test is conducted using skewness value.
b)
1) Pivot tables are used to analyse the association between background check and private sale for hand gun and long gun.
2)
The confidence interval technique is used to know the population mean
number of background check for hand gun and long gun in USA.
3)
The hypothesis testing (t test for independent samples) is used to test
the significant difference in the mean background check between hand
Gun and long gun.
4) The chi square test are used to test the association between background check and private sale for hand gun and long gun.
5)
The technique of Regression analysis is used to predict the number of
permit on the basis of number of background check of hand gun, number of
background check of long gun, private sale of hand gun, and private
sale of long gun.