Identify which value represents the sample mean and which value represents the claimed population mean. a)...
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Identify which value represents the sample mean and which value represents the claimed population mean. a) American households spent an average of about $59 in 2007 on Halloween merchandise such as costumes, decorations and candy. To see if this number had changed, researchers conducted a new survey in 2008 before industry numbers were reported. The survey included 1250 households and found that average Halloween spending was $53 per household. The sample mean is dollars, while the claimed population mean is dollars. b) The average GPA of students in 2001 at a private university was 3.59. A survey on a sample of 170 students from this university yielded an average GPA of 3.67 in Spring semester of 2012. The sample mean is and the claimed population mean is Identify which value represents the sample mean and which value represents the claimed population mean. a) American households spent an average of about $59 in 2007 on Halloween merchandise such as costumes, decorations and candy. To see if this number had changed, researchers conducted a new survey in 2008 before industry numbers were reported. The survey included 1250 households and found that average Halloween spending was $53 per household. The sample mean is dollars, while the claimed population mean is dollars. b) The average GPA of students in 2001 at a private university was 3.59. A survey on a sample of 170 students from this university yielded an average GPA of 3.67 in Spring semester of 2012. The sample mean is and the claimed population mean is
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a In the given scenario Sample mean 53 per household the average Halloween spending fro... View the full answer
Related Book For
Business Analytics Communicating With Numbers
ISBN: 9781260785005
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen
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