Mathematics, 20.02.2020 23:02 tinyiaihfurlow
It is known that in 2013 the population mean for the writing section of the SAT is 488, with a standard deviation of 114. A sample of 100 students taking the SAT whose family income was less than $20,000 had a verbal score of 429. a. Perform a two-tailed hypothesis test to determine whether the group whose family income was less than $20,000 had a significantly different score on average than the population. State the test statistic and your decision. (3pts) b. Assume that rather than a sample of 100, the sample size was only 10. Perform the same hypothesis test again with this new sample size. State the test statistic and your decision. (2pts)
Answers: 3
Mathematics, 21.06.2019 14:00
Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.
Answers: 1
Mathematics, 21.06.2019 15:30
The value √10 and √15 are plotted on the number line
Answers: 2
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