Mathematics

Mathematics, 07.07.2019 18:40, taylor511176

25 ! 3 students have gotten 3 different scores on a test, their scores were 87%, 75%, and 90%. those 3 students want to know the average score for them.

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Mathematics, 26.06.2019 18:50, stodd9503

Which of the following is an example of a paired design? select one: a. a teacher compares the scores of students in her class on a standardized test with the national average score. b. a teacher compares the pretest and posttest scores of a group of students. c. a teacher calculates the average scores for students on a pair of tests and tests to see if this average is significantly larger than 80%. d. a teacher compares the scores of students using a computer-based method of instruction with the scores of other students using a traditional method of instruction.

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Mathematics, 29.06.2019 12:40, blakesmith0110

Do students tend to improve their sat math score the second time they take the test? a random sample of four students who took the test twice provided the given scores. student 1 2 3 4 first score 450 520 720 600 second score 440 600 720 630 assuming that the change in sat math score (second score—first score) for the population of all students taking the test twice is normally distributed with mean , are we convinced that retaking the test improves scores? what is the ‑value for a test of : = versus : ≠ ? more than 0.1 more than 0.75 less than 0.01

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Mathematics, 29.10.2019 13:31, Destinyb3722

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, are we convinced that retaking the test improves scores? what is the p-value for a test of h0: μ = μ0 versus ha: μ ≠ μ0? c. less than 0.01 a. more than 0.75 b. more than 0.10

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Mathematics, 12.11.2019 22:31, jaxheisjax532

Which of the given is an example of a matched pairs design? group of answer choices a teacher compares the pre‑test and post‑test scores of students. a teacher compares the scores of students who had a computer‑based method of instruction with the scores of other students who had a traditional method of instruction. a teacher compares the scores of students in her class on a standardized test with the national average score. a teacher calculates the average of students' scores on a pair of tests and wishes to see if this average is larger than 80%.

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