Question

The students of a well-recognized private school stated that they have a higher SAT score than...

The students of a well-recognized private school stated that they have a higher SAT score than a public school. Does the private school is more consistent that the public? With a 5% of significance, the statement is correct?

Private 450 600 500 650 550 600

Public 500 350 300 200 580 600 590

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
9. An SAT prep course claims to improve the test score of students. The table below...
9. An SAT prep course claims to improve the test score of students. The table below shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her verbal SAT scores. Do these results support the claim that the SAT prep course improves the students' verbal SAT scores? Let d=(verbal SAT scores prior to taking the prep...
An SAT prep course claims to improve the test score of students. The table below shows...
An SAT prep course claims to improve the test score of students. The table below shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her verbal SAT scores. Do these results support the claim that the SAT prep course improves the students' verbal SAT scores? Let d=(verbal SAT scores prior to taking the prep course)−(verbal...
An SAT prep course claims to improve the test score of students. The table below shows...
An SAT prep course claims to improve the test score of students. The table below shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her verbal SAT scores. Do these results support the claim that the SAT prep course improves the students' verbal SAT scores? Let d=(verbal SAT scores prior to taking the prep course)−(verbal...
More than 1 million high school students took the SAT in 2000. The average verbal score...
More than 1 million high school students took the SAT in 2000. The average verbal score was 428 and the standard deviation was 110. (a) Estimate the 60th percentile of the verbal SAT scores in 2000. (b) In California, the average verbal score was 417 and the standard deviation was 110 points. About what percent of the California test takers did better than the national average? (c) Estimate the difference between national and California’s and national SAT scores. Construct a...
More than 1 million high school students took the SAT in 2000. The average verbal score...
More than 1 million high school students took the SAT in 2000. The average verbal score was 428 and the standard deviation was 110. (a) Estimate the 60th percentile of the verbal SAT scores in 2000. (b) In California, the average verbal score was 417 and the standard deviation was 110 points. About what percent of the California test takers did better than the national average? (c) Estimate the difference between national and California’s and national SAT scores. Construct a...
A researcher wants to determine whether high school students who attend an SAT preparation course score...
A researcher wants to determine whether high school students who attend an SAT preparation course score significantly different on the SAT than students who do not attend the preparation course. For those who do not attend the course, the population mean is 1050 (? = 1050). The 16 students who attend the preparation course average 1150 on the SAT, with a sample standard deviation of 300. On the basis of these data, can the researcher conclude that the preparation course...
An SAT prep course claims to improve the test score of students. The table below shows...
An SAT prep course claims to improve the test score of students. The table below shows the scores for seven students the first two times they took the verbal SAT. Before taking the SAT for the second time, each student took a course to try to improve his or her verbal SAT scores. Do these results support the claim that the SAT prep course improves the students' verbal SAT scores? Let d=(verbal SAT scores prior to taking the prep course)−(verbal...
Retaking the SAT: Many high school students take the SAT's twice; once in their Junior year...
Retaking the SAT: Many high school students take the SAT's twice; once in their Junior year and once in their Senior year. In a sample of 55 such students, the score on the second try was, on average, 34 points above the first try with a standard deviation of 15 points. Test the claim that retaking the SAT increases the score on average by more than 30 points. Test this claim at the 0.10 significance level. (a) The claim is...
Retaking the SAT: Many high school students take the SAT's twice; once in their Junior year...
Retaking the SAT: Many high school students take the SAT's twice; once in their Junior year and once in their Senior year. In a sample of 55 such students, the score on the second try was, on average, 33 points above the first try with a standard deviation of 14 points. Test the claim that retaking the SAT increases the score on average by more than 30 points. Test this claim at the 0.01 significance level. (a) The claim is...
Retaking the SAT: Many high school students take the SAT's twice; once in their Junior year...
Retaking the SAT: Many high school students take the SAT's twice; once in their Junior year and once in their Senior year. In a sample of 50 such students, the score on the second try was, on average, 35 points above the first try with a standard deviation of 13 points. Test the claim that retaking the SAT increases the score on average by more than 30 points. Test this claim at the 0.05 significance level. (a) The claim is...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT