Mathematics, 16.03.2020 18:57 kactus
A study is conducted to determine if a newly designed text book is more helpful to learning the material than the old edition. The mean score on the final exam for a course using the old edition is 75. Ten randomly selected people who used the new text take the final exam. Their scores are shown in the table below.
Person A B C D E F G H I J
Score 84 94 80 88 77 68 90 74 96 71
Use a 0.01 significance level to test the claim that people do better with the new edition. Assume the standard deviation is 10.4. (a) What kind of test should be used?
A. One-Tailed
B. Two-Tailed
C. It does not matter.
Answers: 2
Mathematics, 21.06.2019 13:00, shelatzcreed
X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1
Answers: 1
Mathematics, 21.06.2019 22:10, bejaranobella07
This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.
Answers: 2
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