Real situations from working spreadsheets — sales targets, commission tiers, messy exports, aged invoices. Numbered in recommended order: start at 1 and work down, or filter to what you need.
12 exercises — Data Analysis
Build a conditional average out of a conditional sum and a conditional count.
SUMIF · COUNTIF
Narrow a count with three criteria at once rather than filtering by hand.
COUNTIFS
Apply an upper and a lower bound to the same column at once.
COUNTIFS
Count people in one department whose last review was long enough ago.
COUNTIFS
Add up spend for a single channel out of a mixed campaign list.
SUMIF
Sum the orders that beat the average, without typing the average in yourself.
SUMIF · AVERAGE
Add up overtime for a single team out of a mixed timesheet.
SUMIF
Recall the argument order that differs between SUMIF and SUMIFS.
SUMIF · SUMIFS
Produce a summary line combining count, total and average for one region.
COUNTIF · SUMIF
Write one formula that stays correct filled both across and down a grid.
SUMIFS
Repair a formula written in SUMIF's argument order instead of SUMIFS'.
SUMIFS
Combine ranking with a lookup to return a name, not just a number.
LARGE · INDEX · MATCH
| # | Exercise | Functions | Difficulty | Time | Status |
|---|---|---|---|---|---|
| 51 | Average one region without AVERAGEIFHarbor Supply — orders by region | SUMIF · COUNTIF | Intermediate | 9 min | 30 pts |
| 52 | Count backorders on three conditionsHarbor Supply — open order lines by warehouse | COUNTIFS | Intermediate | 8 min | 25 pts |
| 53 | Count orders inside a value bandHarbor Supply — order values, last month | COUNTIFS | Intermediate | 7 min | 25 pts |
| 54 | Count staff overdue a reviewHarbor Supply — months since last review | COUNTIFS | Intermediate | 8 min | 25 pts |
| 59 | Total marketing spend for one channelHarbor Supply — campaign spend by channel | SUMIF | Intermediate | 7 min | 25 pts |
| 60 | Total only the orders above averageHarbor Supply — October order values | SUMIF · AVERAGE | Intermediate | 8 min | 25 pts |
| 61 | Total overtime hours for one teamHarbor Supply — overtime by team | SUMIF | Intermediate | 7 min | 25 pts |
| 65 | Which range does SUMIFS want first?Conceptual question — no dataset | SUMIF · SUMIFS | Intermediate | 3 min | 20 pts |
| 71 | Build a regional summary from raw ordersHarbor Supply — raw October order export | COUNTIF · SUMIF | Advanced | 16 min | 40 pts |
| 77 | Fill a two-way summary with SUMIFSHarbor Supply — order log, two months | SUMIFS | Advanced | 14 min | 40 pts |
| 79 | Fix a SUMIFS with its arguments swappedHarbor Supply — regional totals, formula under repair | SUMIFS | Advanced | 11 min | 35 pts |
| 80 | Name the second-best rep with LARGE and INDEXHarbor Supply — Q3 sales by rep, unsorted | LARGE · INDEX · MATCH | Advanced | 14 min | 40 pts |