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Difference of Means Test. A sample of seniors taking the SAT in Connecticut in 2015 revealed the following results for the math portion of the exam by Gender. Males Females Mean 492 520 Std Dev 119 129 N 150 165 The test statistic for a hypothesis test that the mean level of Math SAT scores between males and females is different (assuming equal variances) is:. A. 1.982 B. 13.973 C. 1.96 D. 2.004
Answers: 2
Mathematics, 21.06.2019 18:00
What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)
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Mathematics, 21.06.2019 19:00
Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9
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Mathematics, 21.06.2019 23:10
Which graph represents the linear function below? y-4= (4/3)(x-2)
Answers: 2
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