Question

H0: ϻ ≤ 16.74 VS HA: ϻ > 16.74 What is the test statistic for sample...

H0: ϻ ≤ 16.74 VS HA: ϻ > 16.74

What is the test statistic for sample of size 22, mean 13.56, and standard deviation 2.69? Enter the test statistic with 2 decimal places.

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

Homework Answers

Answer #1

solution:

The null and alternative hypothesis is ,

H0 :  16.74

Ha : >16.74

Test statistic = t

= ( - ) / / n

= (13.56-16.74) / 2.69/ 22

= -5.54

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
For a test of H0: p = 0.33 vs. Ha: p ≠ 0.33, the sample of...
For a test of H0: p = 0.33 vs. Ha: p ≠ 0.33, the sample of size 101 shows 47 successes. Find the z test statistic. Round to two decimal places
Test H0: p= 0.5 vs Ha: p > 0.5 using a sample proportion of p^ =...
Test H0: p= 0.5 vs Ha: p > 0.5 using a sample proportion of p^ = 0.57 and a sample size of n= 40. What is the standardized test statistic, z? A 0.885 B 0.07 C 0.871 D 0.894 Test H0: p= 0.5 vs Ha: p > 0.5 using a sample proportion of p^= 0.57 and a sample size of n= 40. Using your standardized test statistic from the previous question, compute the p-value for this hypothesis test. Hint: the...
To test H0: µ = 42.0 vs. HA: µ ≠ 42.0, a sample of n =...
To test H0: µ = 42.0 vs. HA: µ ≠ 42.0, a sample of n = 40 will be taken from a large population with σ= 9.90. H0 will be rejected if the sample mean is less than 40.3 or greater than 43.7. Find and state the level of significance, α, to three (3) places of decimal.
Consider the following hypothesis test: H0: u ≤ 25 Ha: u > 25 A sample of...
Consider the following hypothesis test: H0: u ≤ 25 Ha: u > 25 A sample of 40 provided a sample mean of 26.4. The population standard deviation is 6. a) Compute the value or the test statistic. (keep 2 decimal places) Numeric Answer: b) What is the p-value? (Keep 4 decimal places) Numeric Answer: c) Using a = .05, what is your conclusion? Options: A. reject H0 B. do not reject H0
Consider the following hypothesis test: H0: µ = 15 Ha: µ ≠ 15 A sample of...
Consider the following hypothesis test: H0: µ = 15 Ha: µ ≠ 15 A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3. Compute the value of the test statistic. (Round to two decimal places). What is the p-value? (Round to three decimal places) At α=0.05, what is your conclusion? (Reject the null hypothesis) or (Do not reject the null hypothesis)
Consider the following hypothesis test: H0: µ ≤ 12 Ha: µ > 12 A sample of...
Consider the following hypothesis test: H0: µ ≤ 12 Ha: µ > 12 A sample of 25 provided a sample mean of 14 and a sample standard deviation of 4.32. Compute the value of the test statistic. (Round to two decimal places) Answer What is the p-value? (Round to three decimal places). Answer At α=0.05, what is your conclusion? AnswerReject the null hypothesisDo not reject the null hypothesis
Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size...
Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size is 125 and the population standard deviation is assumed known with σ = 5. Use α = 0.05. (a) If the population mean is 9, what is the probability that the sample mean leads to the conclusion do not reject H0?  (Round your answer to four decimal places.) (b) What type of error would be made if the actual population mean is 9 and we...
Consider the following hypothesis test. H0: μ ≥ 20 Ha: μ < 20 A sample of...
Consider the following hypothesis test. H0: μ ≥ 20 Ha: μ < 20 A sample of 50 provided a sample mean of 19.3. The population standard deviation is 2. (a) Find the value of the test statistic. (Round your answer to two decimal places.) (b) Find the p-value. (Round your answer to four decimal places.) p-value = (c) Using α = 0.05, state your conclusion. Reject H0. There is sufficient evidence to conclude that μ < 20.Reject H0. There is...
Consider the following hypothesis test: H0: µ = 15 Ha: µ ≠ 15 A sample of...
Consider the following hypothesis test: H0: µ = 15 Ha: µ ≠ 15 A sample of 50 provided a sample mean of 14.15. The population standard deviation is 3. A.) Compute the value of the test statistic. (Round to two decimal places). B.) What is the p-value? (Round to three decimal places) C.) Using a=0.01, what is your conclusion? D.) Using the critical value approach for the 99% confidence level, what is the critical value? what is the rejection rule?...
Suppose that you are testing the hypotheses H0​: μ=12 vs. HA​: μless than<12. A sample of...
Suppose that you are testing the hypotheses H0​: μ=12 vs. HA​: μless than<12. A sample of size 25 results in a sample mean of 12.5 and a sample standard deviation of 1.9. ​a) What is the standard error of the​ mean? ​b) What is the critical value of​ t* for a 90​% confidence​ interval? ​c) Construct a 90​% confidence interval for μ. ​d) Based on the confidence​ interval, at alphaαequals=0.05 can you reject H0​? Explain.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT