a) American households spent an average of about $52 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 1,500 households and found that average Halloween spending was $58 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 3.37. A survey on a sample of 203 students from this university yielded an average GPA of 3.59 in Spring semester of 2012. The sample mean is and the claimed population mean is
a) American households spent an average of about $52 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 1,500 households and found that average Halloween spending was $58 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 3.37. A survey on a sample of 203 students from this university yielded an average GPA of 3.59 in Spring semester of 2012. The sample mean is and the claimed population mean is
MATLAB: An Introduction with Applications
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
Transcribed Image Text:1.43 Parameters and statistics: Identify which value represents the sample mean and which value represents
the claimed population mean.
a) American households spent an average of about $52 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 1,500 households and found that average Halloween
spending was $58 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 3.37. A survey on a sample of 203 students
from this university yielded an average GPA of 3.59 in Spring semester of 2012.
The sample mean is
and the claimed population mean is
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