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olivya2005d
03.07.2019 •
Mathematics
Ateacher gives two different statistics tests, but one is harder than the other. scores on test a has a mean 78 and standardized deviation 6, and scores on test b mean 65 and standardized deviation 9. carrie scored 79 on test b and pat scored 85 ok test a. who had the higher standardized score?
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Ответ:
answer: carrie scored higher on the standardized test because she got the highest score out of all of them.
hope that
Ответ:
Which two ratios form a proportion ?
A. 1/2 and 2/7
B. 2/7 and 7/14
C. 1/2 and 7/14
D. 2/1 and 14/21