Question
Asked Oct 20, 2019
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The scores of students on a standardized test form a normal distribution with a mean of 300 and a standard deviation of 40.  Using the fact that the middle 50% of the data falls within .67 standard deviations from the mean, find the lower and upper quartile scores for this test.  

red.com/launchpad/fapp10e/11310118#/
Mnigi
Homework
9. The scores of students on a standardized test
middle 50% of the data falls within 0.67 standa
O 150 and 450
O 273.2 and 326.8
299.33 and 300.67
260 and 340
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red.com/launchpad/fapp10e/11310118#/ Mnigi Homework 9. The scores of students on a standardized test middle 50% of the data falls within 0.67 standa O 150 and 450 O 273.2 and 326.8 299.33 and 300.67 260 and 340

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It is given that middle 50% of the data falls within 0.67 standard deviations from mean.

That is, 50% lie...

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