Thomas collected 29 responses to a survey and used a two-tailed test to establish a significance...

Question

Question

UNIT 5 - CHALLENGE 4: T-Tests for S Thomas collected 29 responses to a survey and used a two-tailed test to establish a signi

math Statistics-And-Probability

Add a comment Improve this question Transcribed image text

Answer 1

✔ Recommended Answer

Answer #1

Answer:

a.) 1.701

Explanation:

We are given

df = 28

Confidence level = 90%

So, required critical t value by using t-table is given as below:

Critical t value = 1.701

Add a comment

Answer 2

Similar Homework Help Questions

Thomas collected 29 responses to a survey and used a two-tailed test to establish a significance...

Thomas collected 29 responses to a survey and used a two-tailed test to establish a significance level of 0.20 and calculate a 90% confidence interval. Using the t-table (located in the tutorial), what is the critical t-value used for calculating a 90% confidence interval with 28 degrees of freedom?
Marcus collected 30 responses to a survey and used a two-tailed test to establish a significance...

Marcus collected 30 responses to a survey and used a two-tailed test to establish a significance level of 0.05 and calculate a 95% confidence interval. Using the t-table (located in the tutorial), what is the critical t-value used for calculating a 95% confidence interval with 29 degrees of freedom? Answer choices are rounded to the thousandths place. a.) 1.699 b.) 2.045 O c.) 2.150 d.) 2.462
6. A two-tailed hypothesis test for a repeated-measures research design Previous studies have shown that playing...

6. A two-tailed hypothesis test for a repeated-measures research design Previous studies have shown that playing video games can increase visual perception abilities on tasks presented in the gaming zone of the screen (within 5 degrees of the center). A graduate student is interested in whether playing video games increases peripheral visual perception abilities or decreases attention to peripheral regions because of focus on the gaming zone. For his study, he selects a random sample of 81 adults. The subjects...

8. A two-tailed hypothesis test for a repeated-measures design Previous studies have shawn that p...

Please answer all parts 8. A two-tailed hypothesis test for a repeated-measures design Previous studies have shawn that playing video games can increase visual perception abilities on tasks presented in the gaming zone of the screen within 5 degrees of the center). Agraduate student is interested in whether playing video games increases peripheral val perception abilities or decreases attention to peripheral regions because of focus on the gaming zone. For his study, he se ects ล random sample of 81...
8. A two-tailed hypothesis test for a repeated-measures design Аа Аa A graduate student is interested...

8. A two-tailed hypothesis test for a repeated-measures design Аа Аa A graduate student is interested in whether journaling can affect grief and healing. For his study, he selects a random sample of 64 adults who have been widowed within the past 10 to 14 months. The subjects complete a battery of psychological questionnaires before and after spending two months journaling about their emotions. Before the two months of journaling, the mean score on the impact of event scale-avoidance subscale,...
Find the critical value(s) and rejection region(s) for the indicated t test level of significance α...

Find the critical value(s) and rejection region(s) for the indicated t test level of significance α and sample size n Left-tailed test, α: 0.005, n 7 Click the icon to view the t-distribution table. The critical value(s) isare (Round to the nearest thousandth as needed. Use a comma to separate answers as needed ) Determine the rejection region(s) Select the correct choice below and filt in the answer boxies) within your choice Round to the nearest thousandth as needed) OB...

Thomas collected 29 responses to a survey and used a two-tailed test to establish a significance...

Homework Answers