Question: 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

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 isdollars, while the claimed population mean isdollars.

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 isand the claimed population mean is

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