Question

In: Statistics and Probability

Inc. Technology reported the results of consumer survey in which 300 Internet users indicated their level...

Inc. Technology reported the results of consumer survey in which 300 Internet users indicated their level of agreement with the following statement: "The government needs to be able to scan Internet messages and user communications to prevent fraud and other crimes." The possible responses were "agree strongly", "agree somewhat", "disagree somewhat", and "disagree strongly". The number of Internet users in each category is summarized in the table.

Response Number

Agree strongly 60

Agree somewhat 110

Disagree somewhat 80

Disagree strongly 50

Use an appropriate test at 5% level to determine whether the true proportions of Internet users in each response category differ.  

In the space below, write down the following:

Value of the test statistic=

Critical value of the test =

Your conclusion =

Solutions

Expert Solution


Related Solutions

A survey of Internet users reported that 17% downloaded music onto their computers. The filing of...
A survey of Internet users reported that 17% downloaded music onto their computers. The filing of lawsuits by the recording industry may be a reason why this percent has decreased from the estimate of 31% from a survey taken two years before. Suppose we are not exactly sure about the sizes of the samples. Perform the calculations for the significance tests and 95% confidence intervals under each of the following assumptions. (Use previous − recent. Round your test statistics to...
A survey of Internet users reported that 21% downloaded music onto their computers. The filing of...
A survey of Internet users reported that 21% downloaded music onto their computers. The filing of lawsuits by the recording industry may be a reason why this percent has decreased from the estimate of 31% from a survey taken two years before. Suppose we are not exactly sure about the sizes of the samples. Perform the calculations for the significance tests and 95% confidence intervals under each of the following assumptions. (Use previous − recent. Round your test statistics to...
A survey of Internet users reported that 22% downloaded music onto their computers. The filing of...
A survey of Internet users reported that 22% downloaded music onto their computers. The filing of lawsuits by the recording industry may be a reason why this percent has decreased from the estimate of 30% from a survey taken two years before. Assume that the sample sizes are both 1431. Using a significance test, evaluate whether or not there has been a change in the percent of Internet users who download music. Provide all details for the test. (Round your...
The Pew Research Center Internet Project conducted a survey of 657 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 657 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. ______ to _____ (b) The sample survey...
The Pew Research Center Internet Project conducted a survey of 757 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 757 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. to (b) The sample survey showed that...
The Pew Research Center Internet Project conducted a survey of 857 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 857 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. 0.880 to 0.920 (b) The sample survey...
The Pew Research Center Internet Project conducted a survey of 907 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 907 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. to (b) The sample survey showed that...
The Pew Research Center Internet Project conducted a survey of 657 Internet users. This survey provided...
The Pew Research Center Internet Project conducted a survey of 657 Internet users. This survey provided a variety of statistics on them. If required, round your answers to four decimal places. (a) The sample survey showed that 90% of respondents said the Internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the Internet has been a good thing for them personally. ___ to ___ (b) The sample survey...
4) A magazine reported the results of a survey in which readers were asked to send...
4) A magazine reported the results of a survey in which readers were asked to send their responses to several questions regarding good eating. DataSet for question 4,5,6 is the reported results to the question, How often do you eat chocolate? Based on the data answer the following questions. a) Were the responses to this survey obtained using voluntary sampling technique? Explain b) What type of bias may be present in the response? c) is 13% a reasonable estimate of...
A research center project involved a survey of 846 internet users. It provided a variety of...
A research center project involved a survey of 846 internet users. It provided a variety of statistics on internet users. a) The sample survey showed that 95% of respondents said the internet has been a good thing for them personally. Develop a 95% confidence interval for the proportion of respondents who say the internet has been a good thing for them personally. (Round your answers to four decimal places.) b) The sample survey showed that 72% of internet users said...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT