Question

5. A sample of 12 in-state graduate school programs at school A has a mean tuition...

5. A sample of 12 in-state graduate school programs at school A has a mean tuition of $75,000

with a standard deviation of $7,000. At school B, a sample of 16 in-state graduate programs has a

mean of $80,000 with a standard deviation of $4,500. On average, are the mean tuitions

different? Test at level of significance of 5%.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The Admissions officer for the graduate programs at Michigan State University (MSU) believes that the average...
The Admissions officer for the graduate programs at Michigan State University (MSU) believes that the average score on the GRE exam at his university is significantly higher than the national average of 1300. Assume that the population standard deviation is 125 and a random sample of 25 scores had an average of 1375. a) State the appropriate null and alternative hypotheses. b) Conduct the test with 5% significant level, and explain your conclusion. Please show calculations. Thank you.
The mean annual tuition and fees for a sample of 14 private colleges was 38,100 with...
The mean annual tuition and fees for a sample of 14 private colleges was 38,100 with a standard deviation of 6000 A dotplot shows that it is reasonable to assume that the population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from 33,900. State a conclusion regarding H0. Use the level of significance a=0.01. There is not enough information to draw a conclusion. Reject H0. The mean annual tuition and...
The mean annual tuition and fees for a sample of 12 private colleges was $40500 with...
The mean annual tuition and fees for a sample of 12 private colleges was $40500 with a standard deviation of 5000 A dotplot shows that it is reasonable to assume that the population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from 37400 . Choose whichever method you would like.
The mean annual tuition and fees in the 2018 - 2019 academic year for a sample...
The mean annual tuition and fees in the 2018 - 2019 academic year for a sample of 14 public colleges in California was $30,500 with a standard deviation of $4,500. At the α = 0.01 level of significance, can you conclude that the mean tuition and fees for public institutions in California differs from $30,000? 1. State the null and alternative hypotheses and the type of test this is? 2. Compute the critical value and the value of the test...
The mean annual tuition and fees for a sample of 9 private colleges was with a...
The mean annual tuition and fees for a sample of 9 private colleges was with a standard deviation of A dotplot shows that it is reasonable to assume that the 1- population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from . State a conclusion regarding H0. Use the level of significance. Question options: A) None of the above. B) There is not enough information to draw a conclusion. c)...
College tuition: The mean annual tuition and fees in the 2013-2014 academic year for a sample...
College tuition: The mean annual tuition and fees in the 2013-2014 academic year for a sample of 14 private colleges in California was $33,500 with a standard deviation of $7350. A dotplot shows that it is reasonable to assume that the population is approximately normal. Can you conclude that the mean tuition and fees for private institutions in California is less than $35,000? Use the a=0.10 level of significance and the P-value method with the TI-84 Plus calculator. 1) State...
It is claimed that the average cost of tuition and fees at a four-year public college...
It is claimed that the average cost of tuition and fees at a four-year public college is greater than $5500. The standard deviation of college tuitions is known to be $659, and the mean tuition and fees of a sample of 36 schools is computed to be $5900. a. Is this a two-tailed, right-tailed, or left-tailed test? b. What is H1? c. What is the test value? d. Verify or deny the claim with 90% certainty.
The mean annual tuition and fees for a sample of 12 private colleges was with a...
The mean annual tuition and fees for a sample of 12 private colleges was with a standard deviation of . You wish to test whether the mean tuition and fees for the population of all private colleges is greater than . Calculate the test statistic value and give its P-value for this test. Assume the population is normally distributed. Group of answer choices t = 2.38; 0.01 < P-value < 0.025 t = 2.38; 0.01 < P-value < 0.02 z...
The average salary of a sample of 14 teachers in a school building with a Master...
The average salary of a sample of 14 teachers in a school building with a Master Degree is $32,741 with a standard deviation of $5 800.  A sample of 12 teachers in the same building without Master Degrees have an average salary of $27,839 with a standard deviation of $7400. At the 0.01 significance level, do teachers with Master Degrees have higher salaries? a.   State the null and alternate hypotheses.               Ho :                                                                                                                 H1: State the decision rule. Compute the value of the test...
Arandom sample of n1 =12 students majoring in accounting in a college of business has a...
Arandom sample of n1 =12 students majoring in accounting in a college of business has a mean grade-point average of 2.70 (where A = 4.0) with a sample standard deviation of 0.40. For the students majoring in computer information systems, a random sample of n2 = 10 students has a mean grade-point average of 2.90 with a standard deviation of 0.30. The grade-point values are assumed to be normally distributed. Test the null hypothesis that the mean-grade point average for...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT