Decide which kind of change(s) is/are illustrated in each equation (meaning changed from "regular" y=sinx or y=cosx)
→ Note: more than once choice may be circled per question.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours