Spring 2013 Math 2600 Practice Test 1 Baugh
1.) You take a poll of favorite ice-cream avors giving each person the choice of vanilla,
chocolate, strawberry, and butterpecan. The following is a set of survey results ten people
to pass you on the street.
Math 2600 Notes
January 16. 2013 Sigma (Summation) Notation W James Baugh
(no us2 2m 7) Ema) 2XJ+(Y)*)
k-l
k-l
=ixg2xtxk+xzi1
k=l k=l k=l
Note. that the middle term. -2X times the sum of the data becomes 2? - (a?) T #21172.
Similarly the third sum is j
Math 2600 Exam 1 Review Outline James Baugh
Important Terms:
Qualitative Data: Data specifying properties or grouping of the samples. Example: In a survey
people list their color preference for kitchen appliances. The data would be something like:
(blue