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Data Analysis

Run a frequency check on expense codes used in Apr–Jun 2026: build a frequency histogram or PivotTable showing counts …

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The same job, four prompts

do it · improve it · decide · become
AExecute — “help me do it”Run a frequency check on expense codes used in Apr–Jun 2026: build a frequency histogram or…+
Run a frequency check on expense codes used in Apr–Jun 2026: build a frequency histogram or PivotTable showing counts per expense code, sort descending, and export the top 20 codes for the team’s review.
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.
BImprove — “do it better”Prepare a short pack for audit manager Lisa Park: produce a PivotTable showing frequency and…+
Prepare a short pack for audit manager Lisa Park: produce a PivotTable showing frequency and total value per expense code, highlight codes accounting for the top 80% of volume, and call out any high-frequency low-value codes that could signal coding errors.
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.

How to do it

the tool · the steps · what to avoid
The tool
PivotTables and PivotCharts

PivotTables summarize and analyze data, while PivotCharts visualize the summary data to reveal comparisons, patterns, and trends.

  1. 1

    Prepare your source data with unique headers in the first row and no blank columns or cells.

    RecommendationEnsure your data is rectangular, with variables as columns and observations as rows.

  2. 2

    Select any single cell inside your data set.

  3. 3

    On the Insert tab, in the Tables group, click PivotTable.

  4. 4

    In the Create PivotTable dialog box, verify the Table/Range is correct.

  5. 5

    Choose where to place the PivotTable, either a New Worksheet or Existing Worksheet.

  6. 6

    Click OK to create the PivotTable.

  7. 7

    In the PivotTable Fields pane, drag fields to the Filters, Columns, Rows, and Values areas.

  8. 8

    To create a PivotChart, select a cell in your PivotTable.

  9. 9

    On the Insert tab, select the Insert Chart dropdown menu.

  10. 10

    Click any chart type to create the PivotChart.

  11. 11

    Save your Excel workbook to commit your work.

PivotTables are a powerful tool for bank reconciliation, payroll processing, and monitoring energy usage by summarizing large datasets.

Excel PivotTables and PivotCharts can be automated using VBA or Office Scripts to refresh data and update reports programmatically.

Glossary

words on this page
PivotTableAn interactive table that summarizes and reorganizes selected columns and rows of data to show different views.ExampleYou can quickly see total sales per region by dragging and dropping column headers.

The real tasks

8 of them
Run a quick frequency check to see which expense codes are used most often in the period under review.
Analyze which spokespeople generate the most pickup so I can prioritize media training time.
Cross-tab donor demographics against event attendance to find under-engaged groups we should target.
Cross-tab species counts by habitat type to show which habitats are losing biodiversity between survey seasons.
Calculate the exceedance rate for each contaminant to determine which parameters breach standards most often.
Turn the monthly production defect logs into a rolling trend so we can spot if a change in materials increased failure rates.
Cross‑tab resource allocation by team and week so I can spot overallocated people before the next sprint.
Calculate basic cross-tabs of party preference by age bracket to spot where support is shifting.

Who does this

10 roles
Campaign ManagerRegulatory Affairs AnalystAuditorPMO AnalystTransportation PlannerPolitical ScientistConservation ScientistEnvironmental ScientistIndustrial DesignerSocial Worker

Questions people ask

honest answers

Because you rarely think 'I want the redaction tool'. You think 'I have to share this without leaking the client's details'. Start from the need, and the feature finds you.

Real. Every job here was drawn from what people in real roles were actually seen doing in Excel — not a feature checklist.

No. Each page gives you a ready prompt you can paste into an AI assistant, plus the plain steps to do it yourself. Start with either — the goal is the finished job, not the tool.