MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Types of Bias
Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative p…
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: Apps V o is Select an answer sample statistic (d) Experiment: Symbol of the sample statistic: Op On - 12 Or Op O Pp Ομ ox Value of the sample statistic rounded to 2 decimal places: P-value of the sample statistic rounded to 4 decimal places: (e) Conclusion: Fail to reject H0 o at a = (f) Answer the question: Is gender related to time (minutes per day) spent on a Chatterbug account? O No, because gender and time spent on Chatterbug are independent, p is greater than a. O Yes, because gender and time spent on Chatterbug are dependent, p is less than a. O Yes, because gender and time spent on Chatterbug are dependent, p is greater than a. O No, because gender and time spent on Chatterbug are independent, p is less than a. Question Help: Message instructor Submit Question
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Transcribed Image Text:: Apps V o is Select an answer sample statistic (d) Experiment: Symbol of the sample statistic: Op On - 12 Or Op O Pp Ομ ox Value of the sample statistic rounded to 2 decimal places: P-value of the sample statistic rounded to 4 decimal places: (e) Conclusion: Fail to reject H0 o at a = (f) Answer the question: Is gender related to time (minutes per day) spent on a Chatterbug account? O No, because gender and time spent on Chatterbug are independent, p is greater than a. O Yes, because gender and time spent on Chatterbug are dependent, p is less than a. O Yes, because gender and time spent on Chatterbug are dependent, p is greater than a. O No, because gender and time spent on Chatterbug are independent, p is less than a. Question Help: Message instructor Submit Question
Chatterbug, a social networking site on the Internet, would like to determine if gender is related to number of minutes per day spent on a Chatterbook account. A random sample of 239 users was taken with the following results: Time spent on Chatterbug Gender 1- 25 minutes per day 25 - 50 minutes per day More than 50 minutes per day Males Females 51 32 29 50 27 50 Conduct a hypothesis test based on this sample data, with a = 1%. Based on the sample data can Chatterbug conclude that gender is related to time (minutes per day) spent on a Chatterbug account? (a) State the hypotheses: Hn: The Select an answer v time spent on Chatterbug and gender Select an answer Ha: The Select an answer v time spent on Chatterbug and gender Select an answer (b) Choose the correct distribution: O Normal Distribution O Chi-Square Distribution OT-Distribution (e) State the decision rule: Reject HO and accept Ha v d at a = % if the p-value of the sample statistic vv * is Select an answer (d) Experiment: Symbol of the sample statistic: # No 3. 24 % 6.
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Transcribed Image Text:Chatterbug, a social networking site on the Internet, would like to determine if gender is related to number of minutes per day spent on a Chatterbook account. A random sample of 239 users was taken with the following results: Time spent on Chatterbug Gender 1- 25 minutes per day 25 - 50 minutes per day More than 50 minutes per day Males Females 51 32 29 50 27 50 Conduct a hypothesis test based on this sample data, with a = 1%. Based on the sample data can Chatterbug conclude that gender is related to time (minutes per day) spent on a Chatterbug account? (a) State the hypotheses: Hn: The Select an answer v time spent on Chatterbug and gender Select an answer Ha: The Select an answer v time spent on Chatterbug and gender Select an answer (b) Choose the correct distribution: O Normal Distribution O Chi-Square Distribution OT-Distribution (e) State the decision rule: Reject HO and accept Ha v d at a = % if the p-value of the sample statistic vv * is Select an answer (d) Experiment: Symbol of the sample statistic: # No 3. 24 % 6.
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