Question

need help:

Suppose that you are testing the hypotheses H0 με 16 vs. HA: μ< 16. A sample of size 16 results in a sample mean of 15.5 and

0 0
Add a comment Improve this question Transcribed image text
Answer #1

is given as sample size, Str.htmtenty. Of. Dean, s 戸 (a) 亩ー忑ー4-2 ½, n-I)二t(et t.,erc)- to.os ,s-. 1.7530S ț,-153 g卟Confidence

Add a comment
Know the answer?
Add Answer to:
need help: Suppose that you are testing the hypotheses H0 με 16 vs. HA: μ< 16....
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Suppose that you are testing the hypotheses H0​: μ=70 vs. HA​: μ≠70. A sample of size...

    Suppose that you are testing the hypotheses H0​: μ=70 vs. HA​: μ≠70. A sample of size 41 results in a sample mean of 65 and a sample standard deviation of 1.7. a) What is the standard error of the​ mean? ​ b) What is the critical value of​ t* for a 99​% confidence​ interval? ​ c) Construct a 99​% confidence interval for μ. ​ d) Based on the confidence​ interval, at α=0.010 can you reject H0​? Explain.

  • 14. Suppose that you are testing the hypotheses Ho:p 0.40 vs. HA:p > 0.40. A sample...

    14. Suppose that you are testing the hypotheses Ho:p 0.40 vs. HA:p > 0.40. A sample of size 200 results in a sample proportion of 0.55. a) Construct a 90% confidence interval for p b) Based on the confidence interval, at a .05 can you re- ject Ho? Explain

  • Suppose that you are testing the hypotheses Ho: p= 0.20 vs. HA, p 0.20. A sample...

    Suppose that you are testing the hypotheses Ho: p= 0.20 vs. HA, p 0.20. A sample of size 250 results in a sample proportion of 0.27 a) Construct a 95% confidence interval for p. b) Based on the confidence interval, can you reject Ho at a 0.05? Explain c) What is the difference between the standard error and standard deviation of the sample proportion? d) Which is used in computing the confidence interval? a) The 95% confidence interval for p...

  • Consider the following hypotheses: H0: μ ≥ 167 HA: μ < 167 A sample of 71...

    Consider the following hypotheses: H0: μ ≥ 167 HA: μ < 167 A sample of 71 observations results in a sample mean of 165. The population standard deviation is known to be 25 . a-1. Calculate the value of the test statistic a-2. Find the p-value. b. Does the above sample evidence enable us to reject the null hypothesis at α = 0.05? c. Does the above sample evidence enable us to reject the null hypothesis at α = 0.01?...

  • A hypothesis test is used to test the hypotheses H0: μ = 10.5 versus HA: μ...

    A hypothesis test is used to test the hypotheses H0: μ = 10.5 versus HA: μ > 10.5 where μ = the mean weight of a one-year old tabby cat. Based on a random sample of 21 cats, a p-value of 0.0234 is found. a) Using α = 0.05, what is the conclusion for this test, reject or fail to reject the null hypothesis? b) Based on your answer to part b, what type of error did you possibly make,...

  • 14. Suppose that you are testing the hypotheses Ho:p 0.40 vs. HA:p0.40. A sample of size...

    14. Suppose that you are testing the hypotheses Ho:p 0.40 vs. HA:p0.40. A sample of size 200 results in a sample proportion of 0.55. a) Construct a 90% confidence interval for p b) Based on the confidence interval, at a 05 can you re- ject Ho? Explain.

  • Consider the following hypotheses: H0: μ = 19 HA: μ ≠ 19 The population is normally...

    Consider the following hypotheses: H0: μ = 19 HA: μ ≠ 19 The population is normally distributed. A sample produces the following observations: (You may find it useful to reference the appropriate table: z table or t table) 20 23 17 21 21 24 23 Click here for the Excel Data File    a. Find the mean and the standard deviation. (Round your answers to 2 decimal places.) b. Calculate the value of the test statistic. (Round intermediate calculations to...

  • Suppose you are testing the hypotheses H0: μd = 0 and Ha: μd ≠ 0 in...

    Suppose you are testing the hypotheses H0: μd = 0 and Ha: μd ≠ 0 in a paired-design and obtain a p-value of 0.21. Which one of the following could be a possible 95% confidence interval for μd? A) 4.50 to 6.90 B) 1.50 to 3.80 C) -1.20 to .90 D) -2.30 to -.70

  • Suppose a test of H0: μ = 0 vs. Ha: μ ≠ 0 is run with α = 0.05 and the P-value of the test is 0.052. Using the same data...

    Suppose a test of H0: μ = 0 vs. Ha: μ ≠ 0 is run with α = 0.05 and the P-value of the test is 0.052. Using the same data, a confidence interval for μ is also constructed. (a) Of the following, which is the largest confidence level for which the confidence interval will not contain 0? 90% 94% 95% 96% 99% (b) Of the following, which is the smallest confidence level for which the confidence interval will contain...

  • Exercise 9-39 Algo Consider the following hypotheses: H0: μ = 20 HA: μ ≠ 20 The...

    Exercise 9-39 Algo Consider the following hypotheses: H0: μ = 20 HA: μ ≠ 20 The population is normally distributed. A sample produces the following observations: (You may find it useful to reference the appropriate table: z table or t table) 24 20 24 21 21 24 19 Click here for the Excel Data File    a. Find the mean and the standard deviation. (Round your answers to 2 decimal places.) b. Calculate the value of the test statistic. (Round...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT