This problem is an example of a  One-Sample Mean  One-Sample Proportion  Two-Sample Mean  Two-Sample Proportion  a) Find the test statistic related to this problem.  b) Find the critical value and rejection region for α or the p-value of your test statistic.  (c) Use your results sbove to determine whether you would reject or fail to reject the null hypothesis.  (d) Which of the following is the best conclusion?    The data provides evidence that the proportion of people who had a stress level of 7 or more regarding the presidential election was greater than those who had a stress level of 7 or more regarding the Covid-19 pandemic back in April. The data does not provide evidence that the proportion of people who had a stress level of 7 or more regarding the presidential election was greater than those who had a stress level of 7 or more regarding the Covid-19 pandemic back in April.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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 The following data is based upon the results from the *Granite State Poll (New Hampshire polling center) made available on October 19th, 2020. The poll asked respondents about how stressed they were on a scale of 1 through 10 (10 being most stressed) regarding certain events in 2020. 

 

In April of 2020, a random sample of 1,002 New Hampshire residents were asked how stressed they were about Covid-19 and 57% of them answered 7 or greater. In October of 2020, a random sample of 899 New Hampshire residents were asked how stressed they were about the presidential election and 68% of them answered 7 or greater. Use this information to complete the hypothesis test claiming that the proportion of people who had a stress level of 7 or more regarding the presidential election was greater than those who had a stress level of 7 or more regarding the Covid-19 pandemic back in April at the 1% significance level. 

This problem is an example of a 

  1. One-Sample Mean 
  2. One-Sample Proportion 
  3. Two-Sample Mean 
  4. Two-Sample Proportion 



  1. a) Find the test statistic related to this problem. 




  1. b) Find the critical value and rejection region for α or the p-value of your test statistic. 




(c) Use your results sbove to determine whether you would reject or fail to reject the null hypothesis. 




(d) Which of the following is the best conclusion? 

 

  1. The data provides evidence that the proportion of people who had a stress level of 7 or more regarding the presidential election was greater than those who had a stress level of 7 or more regarding the Covid-19 pandemic back in April.
  2. The data does not provide evidence that the proportion of people who had a stress level of 7 or more regarding the presidential election was greater than those who had a stress level of 7 or more regarding the Covid-19 pandemic back in April.
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