The average income of employees per month 10000/standard deviation equal to 2, 000 charge per month 6, 000 baht. The rest is standard deviation of savings of the poor salary per month equals a few baht.
Employees' average monthly income of 10,000 baht a standard deviation equal. 2000 at a cost of 6,000 baht per month, the rest will be the standard deviation of the savings of the salary savings to baht per month.
Employees of average income per month, per 10 000 standard deviation equals 2 000, cost per month, 6 000). The rest will be savings standard deviation of money เดือนอ and per month as a few baht