stats qns

sianforever SG

1. The summary statistics for the marks of a chemistry exam are shown

below.

Five-number Summary

Minimum

First Quartile

Median

Third Quartile

Maximum

100

(a) Is the test easy or difficult? Explain.

(b) Tom scored 50 marks in the exam. Use the information provided to comment on his performance in the test.

JCMaths SG

This is not a difficult question if you know what the terms (first quartile, median, third quartile) given mean. For a hint, first quartile = 70 means 25% score below (or at) 70 and 75% score above (or at) 70. Please read up on your textbook/notes.