oceanview marine company workpaper 21-30 (book edition 6 or 7)

21-30 Oceanview Marine Company Evaluation of A/R Confirmations: Difference Estimation (continued) December 31, 2018 Calculation of Sample Standard Deviation: (round all figures to whole numbers) (a) Sum of squared misstatements in the sample Mean misstatement squared (b) Mean misstatement squared x sample size- (a) - (b)]/(sample size - 1)- Square root of (c)_ Sample Standard Deviation Calculation of Precision Interval: Population size (N)- 86 ZA (per 21-27) (round to 2 decimals) (round to 2 decimals) Sample standard deviation (SD) (per above)- Square root of sample size . SD / Square root of sample size- (round to 2 decimals) (round to 2 decimals) Population size (N) - sample size (n)-S round to 2 decimals) Square root of [ON) - (n)/ (N)- (round so 2 decimals) Precision Interval (axbxc)- (round to whole number) 21-30 Oceanview Marine Company Evaluation of A/R Confirmations: Difference Estimation (continued) December 31, 2018 Calculation of Sample Standard Deviation: (round all figures to whole numbers) (a) Sum of squared misstatements in the sample Mean misstatement squared (b) Mean misstatement squared x sample size- (a) - (b)]/(sample size - 1)- Square root of (c)_ Sample Standard Deviation Calculation of Precision Interval: Population size (N)- 86 ZA (per 21-27) (round to 2 decimals) (round to 2 decimals) Sample standard deviation (SD) (per above)- Square root of sample size . SD / Square root of sample size- (round to 2 decimals) (round to 2 decimals) Population size (N) - sample size (n)-S round to 2 decimals) Square root of [ON) - (n)/ (N)- (round so 2 decimals) Precision Interval (axbxc)- (round to whole number)