Mathematics, 11.02.2020 17:59 altstattlana
Two teaching methods and their effects on science test scores are being reviewed. A random sample of 11 students, taught in traditional lab sessions, had a mean test score of 76.1 with a standard deviation of 4.4. A random sample of 13 students, taught using interactive simulation software, had a mean test score of 87.1 with a standard deviation of 5.8. Do these results support the claim that the mean science test score is lower for students taught in traditional lab sessions than it is for students taught using interactive simulation software? Let µ1be the mean test score for the students taught in traditional lab sessions and µ2 be the mean test score for students taught using interactive simulation software. Use a significance level of α = 0.05 or the test. Assume that the population variances are equal and that the two populations are normally distributed. Step 1 of 4: State the null and alternative hypotheses for the test. Step 2 of 4: Compute the value of the t test statistic. Round your answer to three decimal places. Step 3 of 4: Determine the decision rule for rejecting the null hypothesis H0. Round your answer to three decimal places. Step 4 of 4: State the test's conclusion.
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Mathematics, 22.06.2019 01:20
The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!
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Mathematics, 22.06.2019 04:30
Write a problem for the equation 0.5n=12.5. then solve the equation and write the answer to your problem.
Answers: 1
Two teaching methods and their effects on science test scores are being reviewed. A random sample of...
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