(c)A financial analyst is interested in comparing the turnover rates, in percent, for shares of communication-related stocks versus other stocks, such as Safaricom and Equity Bank. She selected 32 communication-related stocks and 49 other stocks. The mean turnover rate of communication-related is 31.4 percent and standard deviation 5.1 percent. For other stocks the mean rate was computed to be 34.9 percent and standard deviation 6.7 percent. Is there a significant difference in the turnover rates of the two types of stock? Take =0.01.

(c)A financial analyst is interested in comparing the turnover rates, in percent, for shares of communication-related stocks versus other stocks, such as Safaricom and Equity Bank. She selected 32 communication-related stocks and 49 other stocks. The mean turnover rate of communication-related is 31.4 percent and standard deviation 5.1 percent. For other stocks the mean rate was computed to be 34.9 percent and standard deviation 6.7 percent. Is there a significant difference in the turnover rates of the two types of stock? Take =0.01.

Essentials of Business Analytics (MindTap Course List)

2nd Edition

ISBN:9781305627734

Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Chapter6: Statistical Inference

Section: Chapter Questions

Problem 4P: Morningstar publishes ratings data on 1,208 company stocks. A sample of 40 of these stocks is...

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You are given the following information regarding prices for a sample of stocks.a. Construct a price-weighted index for these three stocks, and compute the percentagechange in the index for the period from T to T + 1. b. Construct a value-weighted index for these three stocks, and compute the percentagechange in the index for the period from T to T + 1. c. Briefly discuss the difference in the results for the two indexes.
Using the data in the following table,, estimate the: a. Average return and volatility for each stock. b. Covariance between the stocks. c. Correlation between these two stocks. a. Estimate the average return and volatility for each stock. The average return of stock A is %. (Round to two decimal places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year Stock A 2010 2011 2012 2013 2014 2015 - 1% 6% 2% -5% 4% 6% Stock B 20% 9% 8% -3% - 5% 21% Print Done ☑ Clear
Using the data in the following table,, estimate the: a. Average return and volatility for each stock. b. Covariance between the stocks. c. Correlation between these two stocks. a. Estimate the average return and volatility for each stock. The average return of stock Ais %. (Round to two decimal places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year 2010 2011 2013 Stock A - 5% 17% - 6% Stock B 29% 21% - 1% 2012 7% 4% 2014 1% - 15% 2015 13% 20%
You analyzed the returns of a sample of stocks. You found that, on average, the firms with high E/P ratios have higher subsequent returns. (i) Discuss an explanation for this pattern that is consistent with the EMH. (ii) Discuss an explanation that is not consistent with the EMH. (A couple sentences per part.)
Using the data in the following table,, estimate the: a. Average return and volatility for each stock. b. Covariance between the stocks. c. Correlation between these two stocks. a. Estimate the average return and volatility for each stock. The average return of stock A is %. (Round to two decimal places.) Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year 2010 2011 20% 2013 - 1% - 13% Stock A Stock B 20% 12% - 9% Print 2012 8% 9% C Done 2014 4% - 9% 2015 11% 27% - X
The attached file contains hypothetical data for working this problem. Goodman Corporation’s and Landry Incorporated’s stock prices and dividends, along with the Market Index, are shown in the file. Stock prices are reported for December 31 of each year, and dividends reflect those paid during the year. The market data are adjusted to include dividends. Calculate the standard deviation of the returns for Goodman, Landry, and the Market Index. (Hint: Use the sample standard deviation formula given in the chapter, which corresponds to the STDEV function in Excel.)
The attached file contains hypothetical data for working this problem. Goodman Corporation’s and Landry Incorporated’s stock prices and dividends, along with the Market Index, are shown in the file. Stock prices are reported for December 31 of each year, and dividends reflect those paid during the year. The market data are adjusted to include dividends. Estimate Goodman’s and Landry’s betas as the slopes of regression lines with stock returns on the vertical axis (y-axis) and market return on the horizontal axis (x-axis). (Hint: use Excel’s SLOPE function.) Are these betas consistent with your graph?
When technical analysts say a stock has good “relative strength,” they mean:a. The ratio of the price of the stock to a market or industry index has trended upward.b. The recent trading volume in the stock has exceeded the normal trading volume.c. The total return on the stock has exceeded the total return on T-bills.d. The stock has performed well recently compared to its past performance.
H. As a new analyst, you have obtained the prices for the stocks of both Lulu and Lemon. Both stocks did not paid any dividends during the entire period. (1) (II) (III) Your manager has asked you (i) to compute the rate of return and standard deviation of the two stocks and suggest that because these companies produce similar products, you should continue your analysis by (ii) computing their covariance and correlation. Show all calculations. Year 2019 2020 2021 2022 2023 Closing prices of LuLu Closing prices of Lemon 20.50 30.10 19.92 28.50 22.45 30.10 24.50 40.30 20.50 36.40 Compute the return and standard deviation of a portfolio with 60% investment in Lulu and 40% in Lemon. Would you recommend putting these two stocks together in a portfolio? Explain why or why not.
Given the following information on five stocks, construct: a. A simple price-weighted average b. A value-weighted average c. A geometric average d. What is the percentage increase in each average if the stock prices change to those in Column I? e. What is the percentage increase in each average if the stock prices change from those in the Price column to those in Column II? f. Why were the percentage changes different in parts (d) and (e)? g. If you were managing a fund and wanted a source to compare your results to, which of the three averages would you prefer to use, and why? Stock Price # of Shares I II A B C D E F $12.00 150,000 $14.00 125,000 $11.00 200,000 $ 22.00 80,000 $8.00 30,000 $29.00 140,000 $12.00 $12.00 $14.00 $14.00 $20.00 $11.00 $ 22,00 $ 22.00 $8.00 $15.00 $29.00 $29.00
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