Data pertaining to four populations are presented below: Required: For each population, a. Compute the new precision (left(A^{prime prime} ight)) and the precision interval. b.

Data pertaining to four populations are presented below:

Required: For each population,

a. Compute the new precision \(\left(A^{\prime \prime}\right)\) and the precision interval.

b. Indicate whether the statistical evidence supports fair statement.

Book value Materiality Planned precision Audited value Achieved precision $13,650,000 $21,000,000 $9,000,000 $12,000,000 900,000 1,200,000 500,000 750,000 600,000 800,000 300,000 500,000 13,000,000 22,000,000 8,500,000 11,750,000 400,000 600,000 150,000 350,000