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.
11 exercises — Statistical Functions
Count how many people sit in a single department on a staff list.
COUNTIF
Use COUNT to find how many rows contain a numeric value.
COUNT
Calculate the mean value of a set of customer orders.
AVERAGE
Count how many rows meet a numeric condition.
COUNTIF
Identify the extremes in a column of values.
MAX · MIN
Use the median to describe a set of orders that one huge deal has skewed.
MEDIAN
Pick out the second-cheapest supplier quote rather than simply the cheapest.
SMALL
Pick the right summary statistic for a set with one huge outlier.
AVERAGE · MEDIAN
Count rows that satisfy several criteria at once.
COUNTIFS
Compare the second-best and second-worst weeks to get a fairer range.
LARGE · SMALL
Add up the top three values without sorting the data or using a helper column.
LARGE
| # | Exercise | Functions | Difficulty | Time | Status |
|---|---|---|---|---|---|
| 9 | Count the headcount in one departmentHarbor Supply — staff list by department | COUNTIF | Beginner | 4 min | 10 pts |
| 22 | Count how many orders shipped with COUNTHarbor Supply — shipment status | COUNT | Beginner | 4 min | 10 pts |
| 23 | Find the average order value with AVERAGEHarbor Supply — October orders | AVERAGE | Beginner | 3 min | 10 pts |
| 27 | Count orders above a threshold with COUNTIFHarbor Supply — October orders | COUNTIF | Beginner | 5 min | 15 pts |
| 28 | Find the largest and smallest orderHarbor Supply — October orders | MAX · MIN | Beginner | 4 min | 10 pts |
| 29 | Find the typical order size with MEDIANHarbor Supply — October orders, one outlier | MEDIAN | Beginner | 5 min | 15 pts |
| 31 | Find the second-lowest quote with SMALLHarbor Supply — pallet contract tender | SMALL | Beginner | 4 min | 10 pts |
| 44 | Average or median for this data?Conceptual question — no dataset | AVERAGE · MEDIAN | Intermediate | 4 min | 20 pts |
| 46 | Count orders meeting two conditionsHarbor Supply — orders across regions | COUNTIFS | Intermediate | 8 min | 25 pts |
| 58 | Measure the spread, ignoring the extremesHarbor Supply — weekly revenue, one quarter | LARGE · SMALL | Intermediate | 7 min | 25 pts |
| 83 | Total the three biggest ordersHarbor Supply — order values, unsorted export | LARGE | Advanced | 10 min | 35 pts |