1. Specify the areas below: Area 1 (city/zip code/neightborhood): Parkland Area 2 (city/zip code/neightborhood): Miami Beach

Area1 (thousand dollars)	Area 2 (thousand dollars)
33076 ($1,399.0 thousand dollars)	33140 ($4,900.0 thousand dollars)
33076 ($2,200.0 thousand dollars)	33141 ($2,940.0 thousand dollars)
33076 ($3,636.0 thousand dollars)	33139 ($10,500.0 thousand dollars)
33076 ($1,300.0 thousand dollars)	33140 ($1,995.0 thousand dollars)
33076 ($2,800.0 thousand dollars)	33140 ($22,500 thousand dollars)
33067 (1,399.0 thousand dollars)	33141 ($2,250.0 thousand dollars)
33076 ($1,375.0 thousand dollars)	33140 ($21,500.0 thousand dollars)
33067 ($499.0 thousand dollars)	33140 ($9,450.0 thousand dollars)
33076 ($2,375.0 thousand dollars)	33141 ($3,750.0 thousand dollars)
33076 ($1,499.9 thousand dollars)	33141 ($4,500.0 thousand dollars)

1. Are the two samples of house prices independent or paired? ________________________

2. Based on the sample sizes, which statistic should we use, Z-statistic or T-statistic?

3. Choose a confidence level ___________. The commonly used levels include 90%, 95%, and 99%.