Two teaching methods and their effects on science test scores are being reviewed. A random sample of 9 students, taught in traditional lab sessions, had a mean testscore of 83.1 with a standard deviation of 5.1. A random sample of 7 students, taught using interactive simulation software, had a mean test score of 87.6 with astandard deviation of 6.4. Do these results support the claim that the mean science test score is lower for students taught in traditional lab sessions than it is forstudents taught using interactive simulation software? Let be the mean test score for the students taught in traditional lab sessions and μ2 be the mean test scorefor students taught using interactive simulation software. Use a significance level of α = 0.01 for the test. Assume that the population variances are equal and that thetwo populations are normally distributed.Step 2 of 4: Compute the value of the t test statistic. Round your answer to three decimal placesEB TablesKeypadAnswerHow to enter your answerPrevious Step Answers

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Asked Mar 27, 2019
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How do you solve for the t statistic?

Two teaching methods and their effects on science test scores are being reviewed. A random sample of 9 students, taught in traditional lab sessions, had a mean test
score of 83.1 with a standard deviation of 5.1. A random sample of 7 students, taught using interactive simulation software, had a mean test score of 87.6 with a
standard deviation of 6.4. 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 be 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 = 0.01 for the test. Assume that the population variances are equal and that the
two populations are normally distributed.
Step 2 of 4: Compute the value of the t test statistic. Round your answer to three decimal places
EB TablesKeypad
Answer
How to enter your answer
Previous Step Answers
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Two teaching methods and their effects on science test scores are being reviewed. A random sample of 9 students, taught in traditional lab sessions, had a mean test score of 83.1 with a standard deviation of 5.1. A random sample of 7 students, taught using interactive simulation software, had a mean test score of 87.6 with a standard deviation of 6.4. 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 be 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 = 0.01 for the test. Assume that the population variances are equal and that the two populations are normally distributed. Step 2 of 4: Compute the value of the t test statistic. Round your answer to three decimal places EB TablesKeypad Answer How to enter your answer Previous Step Answers

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Expert Answer

Step 1

Let the subscript 1 denotes the traditional lab sessions and 2 denotes the interactive simulation software.

The provided details are given below:

 

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Step 2

The null and alternative hypotheses are:

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Step 3

As the population variances are assumed to be equal and th...

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