True$/$False Questions $(10$ Points$)$

The mode can be calculated directly in $R$ using the function "mode" $().$

In $R$ software package, the following code is used to generate $10000$ random numbers from a normal distribution $"x=$ rnorm $(10000)"().$

In Excel. The function "Rand $0"$ is used to generate random numbers from a normal distribution. $().$

In $R$ software package, the following code is used to calculate basic descriptive statistics summary$($x$)"().$

Correlation and regression are synonymous $().$

If high values of one variable are associated with low values of a second and vice versa, then the two variables are negatively correli $().$

$8$