Essentials Of Statistics For Business & Economics
9th Edition
ISBN: 9780357045435
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Textbook Question
Chapter 12.3, Problem 23E
Shareholder Scoreboard Ratings. The Wall Street Journal’s Shareholder Scoreboard tracks the performance of 1000 major U.S. companies. The performance of each company is rated based on the annual total return, including stock price changes and the reinvestment of dividends. Ratings are assigned by dividing all 1000 companies into five groups from A (top 20%), B (next 20%), to E (bottom 20%). Shown here are the one-year ratings for a sample of 60 of the largest companies. Do the largest companies differ in performance from the performance of the 1000 companies in the Shareholder Scoreboard? Use α = .05.
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The Wall Street Journal's Shareholder Scoreboard tracks the performance of 1,000 major U.S. companies. The performance of each company is rated based on the annual total return, including stock
price changes and the re investment of dividends. Ratings are assigned by dividing all 1,000 companies into five groups from A (top 20%), B (next 20%), to E (bottom 20%). Shown here are the one-
year ratings for a sample of 60 of the largest companies.
A
C
6
8 14
20
12
Do the largest companies differ in performance from the performance of the 1,000 companies in the Shareholder Scoreboard? Use a = 0.05.
State the null and alternative hypotheses.
Ho: The proportions of the largest companies compared to the 1,000 companies are the same for at least one of the five groups.
H: The proportions of the largest companies compared to the 1,000 companies are different for all five groups.
Ho: The proportions of the largest companies…
The Wall Street Journal's Shareholder Scoreboard tracks the performance of 1,000 major U.S. companies. The performance of each company is rated based on the annual total return, including stock price
changes and the re investment of dividends. Ratings are assigned by dividing all 1,000 companies into five groups from A (top 20%), B (next 20%), to E (bottom 20%). Shown here are the one-year ratings
for a sample of 60 of the largest companies.
A
5
B
C D E
оно
9 15 19 12
Do the largest companies differ in performance from the performance of the 1,000 companies in the Shareholder Scoreboard? Use α = 0.05.
State the null and alternative hypotheses.
O Ho: The largest companies do not differ in performance from the 1,000 companies.
H₂:
: The largest companies differ in performance from the 1,000 companies.
O Ho: The largest companies differ in performance from the 1,000 companies.
Ha:
: The largest companies do not differ in performance from the 1,000 companies.
O Ho: The proportions of the…
You may need to use the appropriate technology to answer this question
The Wall Street Journal's Shareholder Scoreboard tracks the performance of 1,000 major U.S. companies. The performance of each company is roted based on the annual total retum, including stock
price changes and the re investment of dividends. Ratings are assigned by dividing all 1,000 companies into five groups from A (top 20%), B (next 20%), to E (bottom 20%). Shown here are the ene-
year ratings for a sample of 60 of the largest companies
A CDE
s 15 20 12
Do the largest companies differ in performance from the performance or the 1,000 companies in the Shareholder Scoreboard? Use a0.05,
State the nu and alternative hypotheses
Hei The proportions of the largest companies compared to the 1,000 companies are the same for the majority of the five groups.
H The proportions of the largest companies compared to the 1,000 companies are different for the majority of the five groups.
Ho: The largest companies differ in…
Chapter 12 Solutions
Essentials Of Statistics For Business & Economics
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- The Wall Street Journal's Shareholder Scoreboard tracks the performance of 1,000 major U.S. companies. The performance of each company is rated based on the annual total return, including stock price changes and the re investment of dividends. Ratings are assigned by dividing all 1,000 companies into five groups from A (top 20%), B (next 20%), to E (bottom 20%). Shown here are the one-year ratings for a sample of 60 of the largest companies. A B C D E 5 8 16 19 12 Do the largest companies differ in performance from the performance of the 1,000 companies in the Shareholder Scoreboard? Use a = 0.05. State the null and alternative hypotheses. O Ho: The largest companies differ in performance from the 1,000 companies. H₂: The largest companies do not differ in performance from the 1,000 companies. O Ho: The largest companies do not differ in performance from the 1,000 companies. H₂: The largest companies differ in performance from the 1,000 companies. O Ho: The proportions of the largest…arrow_forwardYou are a financial analyst for a brokerage firm. Is there a difference in dividend yield between stocks listed on the NYSE & NASDAQ? You collect the following data: NYSE NASDAQ Number 20 24 Sample mean 3.5 2.5 Sample std dev 1.30 1.16arrow_forwardThe Wall Street Journal's Shareholder Scoreboard tracks the performance of 1,000 major U.S. companies. The performance of each company is rated based on the annual total return, including stock price changes and the re investment of dividends. Ratings are assigned by dividing all 1,000 companies into five groups from A (top 20%) , B (next 20%), to E (bottom 20%). Shown here are the one- year ratings for a sample of 60 of the largest companies. ABCD 5 8 15 20 12 Do the largest companies differ in performance from the performance of the 1,000 companies in the Shareholder Scoreboard? Use α = 0.05. State the null and alternative hypotheses. Ho: The proportions of the largest companies compared to the 1,000 companies are the same for at least one of the five groups. Ha : The proportions of the largest companies compared to the 1,000 companies are different for all five groups. Ho: The largest companies differ in performance from the 1,000 companies. H₂: : The largest companies do not differ…arrow_forward
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