The data set shows the depth of a scuba diver, in meters, relative to sea level. The depths were recorded at regular intervals over a 25 min period. { −9, −18, −16, −13, −14} What is the estimated mean absolute deviation of the scuba diver’s depth over the entire 25 min? Enter your answer in the box. Round to tenths if necessary. please help!

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost