Answer:
Lin was better than Clare
Step-by-step explanation:
Given
Clare
-
mean: 2,000 grams
- MAD: 275 grams
- median: 2,000 grams
- IQR: 500 grams
Lin
-
mean: 2,000 grams
- MAD: 225 grams
- median: 1,950 grams
- IQR: 350 grams
Question
- Which student was better at estimating the mass of the objects?
Solution
Comparing data for both Clare and Lin, we can see that:
- mean - is same 2000 grams for both
- median - almost same, 2000 grams vs 1950 grams
- MAD - 275 grams vs 225 grams
- IQR - 500 grams vs 350 grams
Conclusion
- Lin was better at estimating than Clare
Reason
- Both students had measures of center (mean and median) very close to 2000 grams
- Lin got less variable responses as both the MAD and IQR were lower than Clare got
