A large company wants to compare two incentive plans for increasing sales. The company randomly assigns a number of its sales staff to receive each kind of incentive and compares the average change in sales of the employees under the two plans. Is this study a survey, an experiment, an observational study, or a case study?

an observational study

Explanation:An observational study is a study where a researcher collect the infomation or data from their observation, based on what they see or hear but a researcher doesn't control or interfere or try to manipulate the study . A researcher observes and record what they see as they see it , this method observe subjects in their natural environment because it is believed that participantsor subjects can portray their true behavior when they are observed in their natural environment.

me no say

hello,

question- which is one way that muslims scholars contributed to the scientific recolution?

answer- well you see in the religion islam the religion muslims practice there was the prophet muahmmed peace be upon him who did good things such as sit in a sertian posotion to use the toilet which then the scientist of this generation later found that it was good for you there are many more things like this.

important- if my answer was enough for you to understand mark me as brainliest you and have the best day ever!