Statistics Exercise

Stat

American Idol 

Season twelve of American Idol premiered on January 16th, 2013 on FOX. Every year millions of

viewers tune in to watch the performances and the reactions of the judges.

 Which is more popular, the American Idol

Season Premiere or the American Idol Season Finale? How might their viewership look in the future?

What do we need to answer this question??

Homework

1. Highest Figure in Millions?

Season 2007, Premier – 37,700,000 viewers

2. How can we determine which episode is more popular? Season premier or finale??

Q 3 How many years finale/premier higher?

Premier was higher in: 2005, 2007, 2008, 2009, 2010, 2012

Finale was higher in: 2002, 2003, 2004, 2006, 2011

Q4. Find the mean of the (i) premiers and (ii) finalesPremier:

9.9 + 26.5 + 28.6 + 33.6 + 35.5 + 37.7 + 33.4 + 30.4 + 29.8 + 26.2 + 21.9 + 17.9 = 331.1

331/12 = 27.592

Finale:

22.8 + 38 + 28.8 + 30.3 + 36.4 + 30.7 + 31.7 + 30.7 + 31.7 + 28.8 + 24.2 + 29.3 + 21.5 = 322.5

322.5/11 = 29.32

Q5. Find the median of the (i) premiers and (ii) finalesPremier:

Median = 29.8

Finale:

Median = 29.3

Q6. Display the data on an appropriate graph

Q3: The premier was higher in 6 of the last years while the finale was higher in 5 of the last 11 years

Q4. Mean of Premier: 27.6

Mean of Finale: 29.2

Q5. Median of Premier: 29.8

Median of Finale: 29.3

Summary:

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 20130

5

10

15

20

25

30

35

40

PremierFinale

Future Projections

2007 2008 2009 2010 2011 2012 2013 2014 2015 20160

5

10

15

20

25

30

35

40

PremierFinale