The mean value of land and buildings per acre from a sample of farms is $1500, with a standard deviation of $300. The data set has abell-shaped distribution. Using the empiricalrule, determine which of the followingfarms, whose land and building values per acre aregiven, are unusual(more than two standard deviations from themean). Are any of the data values very unusual(more than three standard deviations from themean)?

$1143$2266$1572$509$1564$1230

Which of the farms are unusual(more than two standard deviations from themean)? Select all that apply.

A.

$1564

B.

$2266

C.

$509

D.

$1230

E.

$1143

F.

$1572

Which of the farms are very unusual(more than three standard deviations from themean)? Select all that apply.

A.

$1572

B.

$1143

C.

$509

D.

$1230

E.

$2266

F.

$1564

G.

None of the data values are very unusual.