Q $1($f$)[5$ Marks$]$

What is the R code that determines the probability that a SO$2$ value in month $6$ is

greater than $20?$

MM$382$ Data Analytics for Engineers

Semester $1$ Examinations $2019/2020$ Page $2$ of $8$

Q $1($g$)[5$ Marks$]$

What is the R code that determines the $99\%$ confidence interval for PM$10$ data?

What is the interpretation of such an interval?

Q $1($h$)[5$ Marks$]$

Use R code to determine the value of the PM$2\mathrm{.}5$ variable that only $1\%$ of values

exceed.

Q $1($i$)[5$ Marks$]$

How does one subset this database to get a database cdom$6$ that only contains the

SO$2,$ NO$2,$ CO and O$3$ data for month $6?$

Q $1($j$)[5$ Marks$]$

How does one subset this database to get a database cdom$6$ that only contains the

SO$2,$ NO$2,$ CO and O$3$ data for month $6?$