Sociologists want to test whether the number of homeless people in a particular urban area is increasing. in 2010, the average number of homeless people per day who sought shelter was 42.3 (σ = 6.2). data from the current year reveal that the mean number of people seeking shelter per day is 45.3. what is the correct statistical test?

Vikram is studying the square pyramid below. on st to find the surface area of the pyramid, in square inches, vikram wrote (33.2) (34 ikram wrote (33.2)(34.2)+43(34.2)(284) what error did vikram make? o he used the same expression for the area of all four lateral faces. he used the wrong expression to represent the area of the base of the pyramid. o he used the wrong value as the height when he found the area of the lateral faces. he used an expression for surface area that only finds the total area of three faces.