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EastMallBuy Guide: Comparing Seller Accuracy with Spreadsheet Data

2026-04-07

In the competitive world of EastMallBuy, identifying reliable sellers is key to streamlining your supply chain and minimizing costly surprises. One of the most effective methods is a data-driven analysis using simple spreadsheet tools to compare Historical QC Pass RatesCommunication Consistency.

Step 1: Gather Your Raw Transaction Data

Start by exporting or manually compiling your order history into a spreadsheet. Essential columns to include are:

  • Seller ID/Name:
  • Order Date & PO Number:
  • QC Result:
  • Communication Log:
  • Issue Description:

Step 2: Calculate the Historical QC Pass Rate

This is your primary metric for product accuracy. Create a new sheet or pivot table to summarize the data.

  1. Create a column for "Total Orders"COUNTIF
  2. Create a column for "Passed QC Orders"COUNTIFS
  3. Calculate the QC Pass Rate % (Passed QC Orders / Total Orders) * 100.

Pro Tip:

Step 3: Quantify Communication Consistency

Trust is built on reliable dialogue. Score each order's communication (e.g., on a scale of 1-5) based on:

  • Promptness:
  • Proactivity:
  • Clarity & Resolution:

Calculate a Average Communication Score

Step 4: Create a Seller Trustworthiness Matrix

Visualize your findings by creating a simple scatter plot or matrix with:

  • X-Axis:
  • Y-Axis:
  • Each seller represented as a data point.

This instantly identifies four key seller groups:

Quadrant QC Pass Rate Communication Action
Star Performers High High Prioritize; increase order volume.
Risky Enigmas High Low Monitor closely; communication lapses could lead to future QC surprises.
Improving Partners Low High Worth investing in; good communication can help resolve quality issues collaboratively.
Bottom Performers Low Low Phase out or use only for non-critical items.

Conclusion: From Data to Trusted Partnerships

By systematically analyzing Historical QC Pass RatesCommunication Consistency