ELEMENT

Check minibar

Make one bed

Vacuum floor

Clean bath

$10\mathrm{.}22$ A hotel housekeeper, Alison Harvey, was observed

live times en each of four task elements, as shown in the following

table. On the basis of these observations, find the standard time

for the process. Assume a $10\%$ allowance factor.

OBSERVATIONS

$($MINUTES PER CYCLE$)$

$4$

$1\mathrm{.}5$

$2\mathrm{.}2$

$1\mathrm{.}4$

$3\mathrm{.}6$

PERFORMANCE

RATING $(\%)$

$100$

$50$

$120$

$1$C$0$

$1$

$1\mathrm{.}5$

$73$

$1\mathrm{.}7$

$3\mathrm{.}5$

$2$

$1\mathrm{.}6$

$25$

$19$

$3\mathrm{.}6$

$3$

$1\mathrm{.}4$

$2\mathrm{.}1$

$1\mathrm{.}9$

$3\mathrm{.}6$

$5$

$1\mathrm{.}5$

$2\mathrm{.}4$

$1\mathrm{.}6$

$3\mathrm{.}2$