Answer Lower bound =
Upper bound =
34.5
37.5
cm
cm
32.
The sides of a square are 15.1 cm, correct to 1 decimal place.
Find the upper bound of the area of the square.​

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