Scores Distribution By Country 100 90 Max 80 A 70 Median 60 Mean 50 75th percentile 40 Min 25th percentile 30 20 10 O Australia Singapore Australia Singapore Australia Singapore Australia Singapore 2007 2008 2009 201 I) Which of the following data groups has highest average? (10.00 points) a. Australia 2007 b. Australia 2008 c. Singapore 2007 Od. Singapore 2008 Il) Which group has the largest inter-quartile range (distance from first to third quartile)? (5.00 points) Ca. Australia 2007 b. Australia 2008 c. Singapore 2007 d. Singapore 2008 Ill) Which of these has the lowest median? (5.00 points) Ca. Australia 2009 Ob. Australia 2010 c. Singapore 2009 d. Singapore 2010