You now know the difference between stories (qualitative) and numbers (quantitative), and you've learned the key stats for describing data. Let's practice being a data detective by identifying and interpreting these concepts in the wild.
Engagement Message
Ready to solve some data mysteries?
Type
Sort Into Boxes
Practice Question
First, let's sort these data types. Are they telling a story or counting something?
Labels
- First Box Label: Qualitative
- Second Box Label: Quantitative
First Box Items
- Interview transcripts
- Focus group notes
- Patient testimonials
Second Box Items
- Average temperature
- Survey ratings (1-5)
- Most common shoe size
Type
Fill In The Blanks
Markdown With Blanks
Fill in the blanks to choose the right statistical tool for the job.
To understand the typical home price in a city with many mansions, the [[blank:median]] is a better measure than the [[blank:mean]] because it isn't skewed by extreme outliers.
Suggested Answers
- median
- mean
- mode
- range
Type
Multiple Choice
Practice Question
A company wants to know the single most popular t-shirt size to order for their new merchandise.
Which statistical measure should they use?
A. Mean B. Median C. Mode D. Range
Suggested Answers
- A
- B
- C - Correct
- D
Type
Swipe Left or Right
Practice Question
Which type of data would best answer these questions? Swipe left for numbers (Quantitative) and right for stories (Qualitative).
Labels
- Left Label: Quantitative
- Right Label: Qualitative
Left Label Items
- How many customers visited our website last month?
- What percentage of users completed the signup process?
- How much did revenue increase this quarter?
Right Label Items
- Why do customers choose our competitor instead?
- What do employees like most about working here?
- How do users feel when they first use our app?
Type
Multiple Choice
Practice Question
Consider this small dataset of exam scores: [75, 80, 85, 90, 100]
. The teacher adds one more score from a student who was absent: 20
.
How will adding this low score affect the mean and median?
A. Both the mean and median will decrease significantly. B. The mean will decrease significantly, but the median will only decrease slightly. C. The median will decrease significantly, but the mean will only decrease slightly. D. Neither will change very much.
Suggested Answers
- A
- B - Correct
- C
- D
