The mean value of land and buildings per acre from a sample of farms is $1800, with a standard deviation of $200. 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)?

$1934$2384$1526$1139$1800$1701

A. $1139

B. $2384

C. $1934

D. $1701

E. $1800

F. $1526