PUB-550 Week 2 Calculating Confidence Intervals

PUB550 Week 2 Calculating Confidence Intervals for $14 Only

Calculating Confidence Intervals

The purpose of this assignment is to practice calculating confidence intervals.

For this assignment, students will utilize Excel and SPSS Statistics and the “Example Dataset.”

Using the “Example Dataset,” complete the following:

  1. Based on a normal distribution curve, calculate the probability of an individual being 60 years or older in this population. Show the Excel and SPSS formulas or your hand calculations. Include screenshots as needed to illustrate this.
  2. Using the sample standard deviation of age as an estimate of the population standard deviation, calculate by hand the standard error of the mean. Show your calculations and the answer.
  3. Calculate by hand a 95% confidence interval for “Age” based on the sample mean. Use SPSS to verify your answer. Include your calculations and screenshots of the SPSS output.
  4. Interpret the confidence interval for age and explain the three pieces of information needed to calculate a confidence interval.

Submit one Word document that includes all of the assignment deliverables.

APA style is not required, but solid academic writing is expected.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are not required to submit this assignment to LopesWrite.

Attachments

PUB-550-RS-Example Dataset.xlsx

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Answers for Applied Statistics: Difference Between Men and Women’s Yearly Salaries

Answers for Applied Statistics: Difference Between Men and Women’s Yearly Salaries for $3 Only (Instant Download)

Yearly Salaries

Assume that you are analyzing whether there is a difference between men and women’s yearly salaries. from a random sample of 55 women you find the mean salary to be 47520 TRY with a standard deviation of 5633 TRY from a sample of 64 men you find the mean salary to be 44304 TRY with standard deviation of 4793 TRY assume the random sample observations are from normally distributed populations and that the population variances are assumed to be equal develop a 95% confidence interval for the difference (women-men) between the population mean salary for men and women which gender does get a high salary.

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The Standard Deviation of the Market-Index

The Standard Deviation of the Market-Index

The standard deviation of the market-index…$3 Only (Instant Download)

The standard deviation of the market-index portfolio is 15%. Stock A has a beta of 2.20 and a residual standard deviation of 25%. a. Calculate the total variance for an increase of 0.20 in its beta. (Do not round intermediate calculations. Round your answer to the nearest whole number.) Answer is complete but not entirely correct. Total variance 18 b. Calculate the total variance for an increase of 3.84% in its residual standard deviation (Do not round Intermediate calculations. Round your answer to the nearest whole number.) Answer is complete but not entirely correct. Total variance 26

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Various Measures of Quantifiable Risk

Various Measures of Quantifiable Risk for $2 Only (Instant Download)

Various Measures of Quantifiable Risk

Various measures of quantifiable risk including Standard Deviation, Beta and VAR. How can an investor use each of these measures when managing their own investment portfolio?

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Answer to Calculates the Standard Deviation

Answer to Calculates the Standard Deviation

Answer to Calculates the Standard Deviation… in $2 Only (Instant Download)

Calculate the standard deviation of the following rates of returns:

Year Return

1 7%

2 25%

3 14%

4 -15%

5 16%

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Regression, Beta, Standard Dev, Correlation and other Calculation for S&P500

Dow Jones Industrial Average (DJIA) vs. TEPIX ...

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The assignment will be collected at the beginning of final exam. You should turn in the Excel
workbook for this assignment with your report.
1. Use http://finance.yahoo.com to obtain daily closing prices for your company. Use Excel to
calculate daily returns for the period January 1, 2010 – December 31, 2010. Calculate,
• Average daily return,
• Standard deviation of returns.
Repeat the analysis for the Dow Jones Industrial Average (DJIA). Ticker is ^DJI.
Your report should contain,
• Average daily return for your stock, yourstock R
• Standard deviation of daily returns, yourstock σ
• Average daily return for DJIA, DJIA R
• Standard deviation of daily returns on the DJIA, DJIA σ .