Comfort Ratings and Temperature-Adjustment Preferences from One Survey

Participant Comfort Rating Preferred temperature adjustment

20 -2 Cooler

1 1 Cooler

21 1 Cooler

Nan Gao and her team conducted multiple surveys to determine participants’ levels of comfort in a room where the temperature was regulated by a commercial climate control system. Participants filled out surveys several times a day to indicate their level of comfort on a scale from (very cold) to (very hot), with 0 indicating neutral (neither warm nor cool), and to indicate how they would prefer the temperature to be adjusted. The table shows three participants’ responses in one of the surveys. According to the table, all three participants wanted the room to be cooler, ______

Which choice most effectively uses data from the table to complete the statement?

Question

Participant	Comfort Rating	Preferred temperature adjustment
20	-2	Cooler
1	1	Cooler
21	1	Cooler

Accepted Answer

but participant 20 reported feeling significantly colder than the other two participants did.

Answer

and they each reported the same level of comfort.

Answer

even though each participant's ratings varied throughout the day.

Answer

but participant 1 reported feeling warmer than the other two participants did.