Question: 1.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

1.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.

(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.

(c)A survey of 1000 residents in some city in the West coast reported an average monthly rent of $2000 in 2018. The average monthly rent in that city was $1800 in 2017.

(d)An average yearly health care premium in a city in Indiana was $500 in 2012. A survey of 2000 residents revealed an average of $550 for the average yearly healthcare premium.

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