State the appropriate hypotheses for significance test

Assignment Help Engineering Mathematics

Reference no: EM13823648

A recent article concerning bullish and bearish sentiment about the stock market reported that 41% of investors responding to an American Institute of Individual Investors(AAII) poll were bullish on the market and 26% were bearish. The article also reported that the long-term average measure of bullishness is .39 or 39%. Suppose the AAII poll used a sample size of 450. Using .39 (the long-term average) as the population proportion of investors that are bullish, conduct a hypothesis test to determine if the current proportion of investors that are bullish is significantly greater that the long-term average proportion.

a. State the appropriate hypotheses for your significance test.

b. Use the sample results to compute the test statistic and the p-value.

c. Using a=.10 what is your conclusion?

Reference no: EM13823648

Questions Cloud

What is an advantage of virtualization : What is an advantage of virtualization? List and explain one type of virtualization. What are three of the major data functions performed by a DBMS? Briefly explain the functions. Why are internal threats a major challenge for organizations? How can ..

Confidence interval be narrower or wider : Prepare a 95% confidence interval for the average grocery bill. Would a 99% confidence interval be narrower or wider than the 95% confidence interval?

How can it be implemented effectively : Answer these questions for Cooperative learning. How can it be implemented effectively? What are the benefits?

Increase the feelings of personal satisfaction : understand, and give due regard to, the perceptions of those affected by your work; attempt to increase the feelings of personal satisfaction, competence, and control of those affected by your work

State the appropriate hypotheses for significance test : State the appropriate hypotheses for your significance test. Use the sample results to compute the test statistic and the p-value.

Find the dollar weighted yield rate : Find the dollar weighted (simple interest) yield rate and the time weighted yield of the account for this year.

Procedure to elect the national office bearers : At an ACS Council meeting there was not a clearly defined and documented procedure to elect the National Office Bearers

Problems requiring computations : For problems requiring computations, please ensure that your Excel file includes the associated cell computations and/or statistics output; this information is needed in order to receive full credit on these problems.

Purpose of the chi-square test for independence : Explain the purpose of the chi-square test for independence. Provide some practical examples where this test might be used in business.

User Account

All Pages