Question

n1=12, s21=0.439, n2=19, s22=1.638, Ha: σ21<σ22, α=0.05 Step 1 of 2: Determine the critical value(s) of...

n1=12, s21=0.439, n2=19, s22=1.638, Ha: σ21<σ22, α=0.05

Step 1 of 2: Determine the critical value(s) of the test statistic. If the test is two-tailed, separate the values with a comma. Round your answer(s) to four decimal places.

Step 2 of 2:

Make a decision.

Reject Null Hypothesis or Fail to Reject Null Hypothesis

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

Homework Answers

Answer #1

Hypothesis : VS

Since , the test is one tailed ( left ) test.

The test statistic is ,

;

The critical value is ,

; From excel "=FINV(0.95,11,18)"

Decision : Here , the value of the test statistic lies in the rejection region.

Therefore , Reject the null hypothesis.

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
Given the following information: n1=21 , s21=65.396, n2=16, s22=50.452, Ha: σ21≠σ22, α=0.05 Step 1 of 2...
Given the following information: n1=21 , s21=65.396, n2=16, s22=50.452, Ha: σ21≠σ22, α=0.05 Step 1 of 2 : Determine the critical value(s) of the test statistic. If the test is two-tailed, separate the values with a comma. Round your answer(s) to four decimal places. step 2 of 2: Make a decision. A. reject null hypothesis B. Fail to reject null hypothesis
Given the following information: n1=61, s21=3.496, n2=61, s22=6.05, Ha: σ21≠σ22, α=0.1 Step 1 of 2 :  ...
Given the following information: n1=61, s21=3.496, n2=61, s22=6.05, Ha: σ21≠σ22, α=0.1 Step 1 of 2 :   Determine the critical value(s) of the test statistic. If the test is two-tailed, separate the values with a comma. Round your answer(s) to four decimal places. Step 2: Reject null hypothesis or fail to reject null hypothesis
Consider testing H0: σ21 ≤ σ22 vs. Ha: σ21 > σ22 given that ?1 = 25,...
Consider testing H0: σ21 ≤ σ22 vs. Ha: σ21 > σ22 given that ?1 = 25, s21  = 7.4, ?2 = 31, s22 = 6.2. a) Calculate the value of the test statistic, F*. b) Test the hypothesis at the 0.025 level of significance, using the classical approach. Critical region: c) Decision: d) Reason:
Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 (a) What is...
Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 (a) What is your conclusion if n1 = 21, s12 = 8.2, n2 = 26,  and s22 = 4.0? Use α = 0.05 and the p-value approach Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. Reject H0. We cannot conclude that σ12 ≠ σ22. Do not reject H0. We cannot conclude that σ12 ≠...
Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 (a) What is...
Consider the following hypothesis test. H0: σ12 = σ22 Ha: σ12 ≠ σ22 (a) What is your conclusion if n1 = 21, s12 = 2.2, n2 = 26, and s22 = 1.0? Use α = 0.05 and the p-value approach. Find the value of the test statistic. Find the p-value. (Round your answer to four decimal places.) p-value = State your conclusion. Reject H0. We cannot conclude that σ12 ≠ σ22.Do not reject H0. We cannot conclude that σ12 ≠...
Consider the following competing hypotheses and relevant summary statistics: Use Table 4. H0: σ21/σ22σ12/σ22 ≥ 1...
Consider the following competing hypotheses and relevant summary statistics: Use Table 4. H0: σ21/σ22σ12/σ22 ≥ 1 HA: σ21/σ22σ12/σ22 < 1 Sample 1: s21s12 = 1,370, and n1 = 23 Sample 2: s22s22 = 1,441, and n2 = 15 a. Calculate the value of the test statistic. Remember to put the larger value for sample variance in the numerator. (Round your answer to 2 decimal places.)   Test statistic    b-1. Approximate the critical value at the 10% significance level.    2.05...
(a) Write the claim mathematically and identify H0 and Ha. ​(b) Find the critical​ value(s) and...
(a) Write the claim mathematically and identify H0 and Ha. ​(b) Find the critical​ value(s) and identify the rejection​ region(s). (c) Find the standardized test statistic.​ (d) Decide whether to reject or fail to reject the null hypothesis. In a sample of 1797 home​ buyers, you find that 785 home buyers found their real estate agent through a friend. At α=0.06​, can you reject the claim that 43​% of home buyers find their real estate agent through a​ friend? ​(a)...
Given two independent random samples with the following results: n1=573, p^1=0.5  n2=454, pˆ2=0.6 Can it be...
Given two independent random samples with the following results: n1=573, p^1=0.5  n2=454, pˆ2=0.6 Can it be concluded that the proportion found in Population 2 exceeds the proportion found in Population 1?  Use a significance level of α=0.1α=0.1for the test. Step 1 of 5: State the null and alternative hypotheses for the test. Step 2 of 5: Compute the weighted estimate of p, p‾p‾. Round your answer to three decimal places. Step 3 of 5: Compute the value of the test statistic....
Given two independent random samples with the following results: n1=469 x1=250 n2=242 x2=95 Can it be...
Given two independent random samples with the following results: n1=469 x1=250 n2=242 x2=95 Can it be concluded that there is a difference between the two population proportions? Use a significance level of α=0.05 for the test. Step 1 of 6: State the null and alternative hypotheses for the test. Step 2 of 6: Find the values of the two sample proportions, pˆ1p^1 and pˆ2p^2. Round your answers to three decimal places. Step 3 of 6: Compute the weighted estimate of...
Given two independent random samples with the following results: n1=305 x1=127  n2=194 x2=124 Can it be...
Given two independent random samples with the following results: n1=305 x1=127  n2=194 x2=124 Can it be concluded that there is a difference between the two population proportions? Use a significance level of α=0.05α=0.05 for the test. Step 1 of 6: State the null and alternative hypotheses for the test. Step 2 of 6: Find the values of the two sample proportions, pˆ1p^1 and pˆ2p^2. Round your answers to three decimal places Step 3 of 6: Compute the weighted estimate of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT