The mean value of land and buildings per acre from a sample of farms is $1700
The mean value of land and buildings per acre from a sample of farms is $1700,with a standard deviation of $200.
The data set has abell-shaped distribution. Assume the number of farms in the sample is 72.
(a) Use the empirical rule to estimate the number of farms whose land and building values per acre are between $1500 and $1900.