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YoungKukie24
18.06.2020 •
Mathematics
What do you think "no statistical difference" means? art The College Board says combining students' SAT scores and high school GPAS provides the best prediction of how well the students will do in their first year of college. The video says there is no statistical difference in graduation rates or grade point averages between students who submit scores and students who don't. Are these two results contradictory?
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Ответ:
Mean= 307
Mean absolute deviation = 42
Step-by-step explanation:
Given chart shows the calories of several sandwiches at a restaurant.( 242, 280, 290,290,350,390).
Now we need to find the mean and mean absolute deviation of this set of data, and then describe what the mean absolute deviation represents.
To find mean, we just need to add the given numbers and divide by total numbers.
Hence Mean= 307
Look at the attached table for calculation
To find deviation, we just find difference between given data values and Mean (307)
To find mean absolute deviation, we again take mean of deviation values as shown in table.
Hence mean absolute deviation = 42
Mean absolute deviation (42) means average distance between each data point and the mean is 42.