In a right tailed hypothesis testing, critical value is 1.5 and test statistic was found to...
In a right tailed hypothesis testing, critical value is 1.5 and test statistic was found to be 1.8. Then
Select one:
a. we will NOT reject the null hypothesis.
b. we will reject the alternative hypothesis.
c. we will reject the null hypothesis.
d. we will need more information to make the decision.
Homework Answers
Because Test statistic is greater than critical value , then we will reject the null hypothesis. Hence, option(C) is correct.
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In a right tailed hypothesis testing, critical value is 1.5 and
test statistic was found to...
I spefically need to see how the test statistic and critical value is calculated. Test the...
I spefically need to see how
the test statistic and critical value is calculated.
Test the claim that the proportion of men who own cats is significantly different than 80% at the 0.02 significance level. The null and alternative hypothesis would be: The test is: left-tailed right-tailed two-tailed Based on a sample of 55 people, 78% owned cats The test statistic is: (to 2 decimals) The positive critical value is: (to 2 decimals) Based on this we: Reject the null...
1. What are null hypothesis and alternative hypothesis? 2. Inastatisticaltest,wehavethechoiceofatwo-tailedtest,aleft- tailed test, or a right-tailed test. Which hypothesis is the determining factor fo...
1. What are null hypothesis and alternative hypothesis? 2. Inastatisticaltest,wehavethechoiceofatwo-tailedtest,aleft- tailed test, or a right-tailed test. Which hypothesis is the determining factor for choosing the direction of the test? (In other words, how would you decide it) 3. Forthesamesampledataandnullhypothesis,howdoesthe P-value for a two-tailed test compare to that for a one-tailed test? 4. Using P-value method, how would you reject or fail to reject the null hypothesis? (what is the decision criteria?) How does level of significance matter to the hypothesis...
If you have a one-tailed test and the critical value is 1.65, when would you reject...
If you have a one-tailed test and the critical value is 1.65, when would you reject the null hypothesis? A. Test statistic is -1.5 B. Test statistic is -2 C. Test statistic is 0 D. Test statistic is 2
1.) In a hypothesis test, the observed value was found to be -2.10 whereas the critical...
1.) In a hypothesis test, the observed value was found to be -2.10 whereas the critical value was 2.39. Based on this information we: a.) Fail to reject the null hypothesis b.) Reject the null hypothesis 2.) In a hypothesis test, the observed value was found to be -4.10 whereas the critical value was 2.39. Based on this information we: a.) Fail to reject the null hypothesis b.) Reject the null hypothesis Please explain why.
4) A researcher is testing a hypothesis of a single mean. The critical z value for...
4) A researcher is testing a hypothesis of a single mean. The critical z value for α = .05 and a two tailed test is ±1.96. The observed z value from sample data is minus2.11. The decision made by the researcher based on this information is to _____ the null hypothesis. reject fail to reject redefine change the alternate hypothesis into restate 5) A researcher is testing a hypothesis of a single mean. The critical z value for α =...
Rebecca is using a t-distribution for a hypothesis test. She finds that the critical value is...
Rebecca is using a t-distribution for a hypothesis test. She finds that the critical value is 3.64 and the test statistic is 3.95. If this is a Right Tailed Test, what conclusion should she draw? Reject the Null Hypothesis Reject the Hypothesis Test Reject the Alternative Hypothesis Do Not take any action
Hypothesis Testing With One Sample Kamal Hamid You are performing a right-tailed test with test statistic...
Hypothesis Testing With One Sample Kamal Hamid You are performing a right-tailed test with test statistic z = 2.689, find the p-value accurate to 4 decimal places. p-value- Points possible: 1 Unlimited attempts License We were unable to transcribe this image
you are completing a hypothesis test. You know the following items: The test is a right-tailed...
you are completing a hypothesis test. You know the following items: The test is a right-tailed test. The critical value for the test is 8.547 The standardized test statistic is 8.394. Decide whether to reject or fail to reject the null hypothesis.
1. Your hypothesis test for a proportion has a right-tailed critical region. The test statistic is...
1. Your hypothesis test for a proportion has a right-tailed critical region. The test statistic is zz = 1.84. Find the p-value accurate to 2 decimal places. p-value = 2. Your hypothesis test for a mean with n = 23 has a left-tailed critical region. The test statistic is tt = -1.4. Find the p-value accurate to 2 decimal places. p-value =
Find the critical value for the indicated hypothesis test, then use this value and the provided...
Find the critical value for the indicated hypothesis test, then use this value and the provided information to make a conclusion about the null hypothesis (i.e., reject or fail to reject the null hypothesis). 1.The test statistic in a left-tailed test is z = −2.05; significance level α = 8% 2. Test at the significance level α = 5% the hypothesis H0: p ≤ 0.04, given that the test statistic is z = 1.82. 3. Test at the significance level...
I spefically need to see how
the test statistic and critical value is calculated.
Test the claim that the proportion of men who own cats is significantly different than 80% at the 0.02 significance level. The null and alternative hypothesis would be: The test is: left-tailed right-tailed two-tailed Based on a sample of 55 people, 78% owned cats The test statistic is: (to 2 decimals) The positive critical value is: (to 2 decimals) Based on this we: Reject the null...
Rebecca is using a t-distribution for a hypothesis test. She finds that the critical value is 3.64 and the test statistic is 3.95. If this is a Right Tailed Test, what conclusion should she draw? Reject the Null Hypothesis Reject the Hypothesis Test Reject the Alternative Hypothesis Do Not take any action
Hypothesis Testing With One Sample Kamal Hamid You are performing a right-tailed test with test statistic z = 2.689, find the p-value accurate to 4 decimal places. p-value- Points possible: 1 Unlimited attempts License We were unable to transcribe this image
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