Mathematics, 23.03.2020 21:38 cookiemonster0476
A statistics tutor wants to assess whether her remedial tutoring has been effective for her five students. She decides to conduct a related samples t-test and records the following grades for students prior to and after receiving her tutoring.
Tutoring
Before After
2.4 3.1
2.5 2.8
3.0 3.6
2.9 3.2
2.7 3.5
Test whether or not her tutoring is effective at a 0.05 level of significance. State the value of the test statistic. (Round your answer to three decimal places.)
t =
Compute effect size using estimated Cohen's d. (Round your answer to two decimal places.)
d =
Answers: 1
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Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
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Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. β7.12, 1.12 b. 7.12, β1.12 c. 7.12, 1.12 d. β7.12, β1.12
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Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?
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A statistics tutor wants to assess whether her remedial tutoring has been effective for her five stu...
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