Perform data ana'ysis by calculating the clean air delivery rate for the room CADR. This stess does not need to be done in Excel. However, Ht sticuid be recarded because it is a deliverabie ior the engineering $kg.$

o$.$ Record the slopes of the trendlines for both cases and ensure they ate cocrectly mathed with the corresponding tests You shouid have recorded two values $(1)$ the siope of the linear fit corresponding to the data series for pm$2\mathrm{.}5$ with mervention and $(2)$ the shope of the limear th corresponding to the data series for pm$2.5$ without insemention

Muithply the slapes by $1$ making the values positme. You can now recond these values as ACH values, You should have two ACH values. $(1)$ an ACH corresponding to the dats serias for pm$2\mathrm{.}5$ with irterventian: peri$2\mathrm{.}5$ without intervention. $AC{H}_{34},$ wathor anorimeson

Cancilate the CADR by using the following formula

Inipcoit the char

o To entance the danty of yocir plots watch ithe provided wioed and seiect two out of the tolumong four exentents in modify in your chart Tites; Axes. Markers, and Grines.