Mathematics, 20.06.2020 17:57 cutegirl0987
Do students tend to improve their SAT mathematics (SAT-M) score the second time they take the test? A random sample of four students who took the test twice received the following scores. Student 1 2 3 4 First Score 450 520 720 600 Second Score 440 600 720 630 Assuming that the change in SAT-M score (second score – first score) for the population of all students taking the test twice is Normally distributed with mean μ, a 95% confidence interval of μ is (hint: use Excel)
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Mathematics, 21.06.2019 15:00, estefanlionel8678
Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?
Answers: 1
Mathematics, 21.06.2019 20:30, kingdesto3481
The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent
Answers: 1
Do students tend to improve their SAT mathematics (SAT-M) score the second time they take the test?...
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