Research shows that Piaget’s theory of cognitive development has important educational implications. Select one stage of cognitive development (according to the theory) and discuss at least three activities that would be beneficial in teaching children who are in that developmental stage.

Asmall internet mail-order company keeps track of the number of orders it fills per day for many years and determines that the distribution of the variable "orders filled per day" is right-skewed and has the following five-number summary: minimum = 20 q1 = 32 median = 46 q3 = 63 maximum = 80 suppose we take random samples of size 40 from this distribution and calculate the range for each of our samples. (i cant put in the graph, but its approximately normal with center between 56 and 57, with a range of 53 to 60). a) there are two dots on the graph at 53. explain what these values represent. b) is the sample range an unbiased estimator of the population? use the dotplot above to justify your answer.

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

Nd to pa my drivers ed ill give you brainliest if answered a is marked by two sets of double yellow lines, with each set having a broken line on the inside, and a solid line on the outside. a. merge lane b. high-occupancy vehicle (hov) lane c. center left turn lane d. center right turn lane