How many calls we got outside office hours? [Excel / Power Query homework]
Time for another Excel formula / Power Query challenge. This is based on a common business data analysis problem. Say you have two tables – calls log and office hours. Call log tells when each call is received. Office hours tell us working hours for seven days of the week. We want to know how many calls are outside office hours.
Count calls outside business hours – problem
So you are up for the challenge eh? Just follow the below steps.
- Download the problem data set.
- There are two tables. calls & working.hours.
You have three problems to solve.
- Write a formula in calls table to identify if a call is outside office hours. Can be Yes/No or TRUE/FALSE
- Write a single formula outside the tables to count how many calls were made outside office hours. The answer should be 693. You can use helper columns (or the column in problem#1) if you want.
- Set up a Power Query to filter all outside office hours calls.
Successful in finding the answers? Please post them in comments.
If you have an answer, please post your formulas / VBA / M / spells in the comments area.
Of course there is a hidden answers worksheet in the download. So check that out if you feel stumped.
Want more problems?
All the best. I am waiting for your answers.
My name is Chandoo. Thanks for dropping by. My mission is to make you awesome in Excel & your work. I live in Wellington, New Zealand. When I am not F9ing my formulas, I cycle, cook or play lego with my kids. Know more about me.
Thank you and see you around.
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