Identify which value represents the sample mean and which value represents the c

Question

Identify which value represents the sample mean and which value represents the claimed population mean. 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 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.

Explanation / Answer

answer
a
$52 is population mean and it's known as parameters
$58 is sample mean and known as statistics.

b

$3.37 is population mean and it's known as parameters
$3.59 is sample mean and known as statistics

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