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As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the proportion of stocks that went up is less than 0.3. There is not sufficient evidence to warrant

As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the proportion of stocks that went up is less than 0.3. There is not sufficient evidence to warrant

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 28PPS
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As such, the final conclusion is that... | There is sufficient evidence to warrant rejection of the claim that the proportion of stocks that went up is less than 0.3. There is not sufficient evidence to warrant rejection of the claim that the proportion of stocks that went up is less than 0.3. The sample data support the claim that the proportion of stocks that went up is less than 0.3. There is not sufficient sample evidence to support the claim that the proportion of stocks that went up is less than 0.3.
Transcribed Image Text:As such, the final conclusion is that... | There is sufficient evidence to warrant rejection of the claim that the proportion of stocks that went up is less than 0.3. There is not sufficient evidence to warrant rejection of the claim that the proportion of stocks that went up is less than 0.3. The sample data support the claim that the proportion of stocks that went up is less than 0.3. There is not sufficient sample evidence to support the claim that the proportion of stocks that went up is less than 0.3.
Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good barometer of the overall stock market. On January 31, 2006, 9 of the 30 stocks making up the DJIA increased in price (The Wall Street Journal, February 1, 2006). On the basis of this fact, a financial analyst claims we can assume that 30% of the stocks traded on the New York Stock Exchange (NYSE) went up the same day. A sample of 67 stocks traded on the NYSE that day showed that 18 went up. You are conducting a study to see if the proportion of stocks that went up is significantly less than 0.3. You use a significance level of a = 0.02. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =
Transcribed Image Text:Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good barometer of the overall stock market. On January 31, 2006, 9 of the 30 stocks making up the DJIA increased in price (The Wall Street Journal, February 1, 2006). On the basis of this fact, a financial analyst claims we can assume that 30% of the stocks traded on the New York Stock Exchange (NYSE) went up the same day. A sample of 67 stocks traded on the NYSE that day showed that 18 went up. You are conducting a study to see if the proportion of stocks that went up is significantly less than 0.3. You use a significance level of a = 0.02. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =
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