What are the traditional variable sampling methods?

There are three main methods of traditional variable sampling:

1. Unit Mean Method : A variable sampling method that estimates the overall value through the unit mean of the sample.

2. Difference estimation method: through the difference between the sample record value and the audit value to infer the overall record value and audit value differences, and then make an evaluation of the overall record value of the variable sampling method.

3. Ratio estimation method: through the ratio of the audit value and the sample record value to infer the overall audit value and the ratio of the record value, and then estimate the overall audit value and make an evaluation of the original record value of the correctness of the variable sampling method.

Variables Sampling

Introduction

Variables Sampling Method (Variables Sampling Method), also known as the "variable sampling method", refers to the audit object of the overall monetary amount of the substantive testing of the sampling method. Variables Sampling Method is the main audit sampling technique used in substantive testing. The variable sampling method can be used to determine whether the account amount is more or less, whether there is a material error, etc. The variable sampling audit method is typically used to: examine the amount of accounts receivable; examine the quantity and amount of inventory; examine payroll costs; and examine trading activity to determine the amount of transactions that have not been properly authorized.

Two, the main forms

The main forms of variable sampling method are mean estimation sampling method, variance estimation sampling method, stratified sampling method, monetary unit sampling method.

Three steps

The basic steps of variable sampling audit are as follows:

1, decide to test the target

Substantive test objective is relatively simple to determine, mainly to determine the economic operations or statements under review, the true, correct and validity of the information. There are two specific forms:

1) Determine the correctness of the amount (amount) being examined, known as hypothesis testing. The purpose of sampling is mainly to verify.

2) Independent estimation of the amount (volume) of a particular type of economic operation, called amount estimation. The main purpose of sample testing is to provide information.