Mathematics, 28.06.2019 16:40, Ecosey123
An educator wants to determine whether a new curriculum significantly improves standardized test scores for third grade students. she randomly divides 60 third dash graders into two groups. group 1 is taught using the traditional curriculum, while group 2 is taught using the new curriculum. at the end of the school year, both groups are given the standardized test and the mean scores are compared. determine whether the sampling is dependent or independent. indicate whether the response variable is qualitative or quantitative.
Answers: 3
Mathematics, 22.06.2019 02:50, QueenNerdy889
Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.
Answers: 2
Mathematics, 22.06.2019 05:00, am2garcia5
Mary and roberto bought identical backpacks at different stores. mary's backpack originally cost $65 and was discounted 25%. roberto's backpack originally cost $75 and was on sale for 30% off on the original price. which backpack was the better buy?
Answers: 1
An educator wants to determine whether a new curriculum significantly improves standardized test sco...
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