Announcing examinations for mathematical statistician, analytical statistician, survey statistician, $3,727, to $5,232 a year, grades P-2 to P-4, statistical assistant, $3,727 to $4,479 a year, grades CAF-7 to CAF-9, statistical officer, $4,855 to $7,432 a year, grades CAF-10 to CAF-13, announcement 152.