Reading 1.8

Question 1

A student planning a party has $20 to spend on her favorite soft drink. It is on sale at store A for $1.29 for a 2-L bottle (plus 10-cent deposit); at store B the price of a 12-pack of 12 fl oz cans is $2.99 (plus a 5-cent deposit per can). At which store can she buy the most of her favorite soft drink for no more than $20? (A volume of 29.57 mL is 1 U.S. fl oz, which is a unit of volume, not mass.)

Answer 1

Store A

Question 2

a measure of the amount of variation, or dispersion, in a set of related values

Answer 2

standard deviattion

Question 3

confidence interval equation

Answer 3

look up

Question 4

a statistical test used to detect an outlier in a set of dat

Answer 4

Grubbs’ test

Question 5

Grubbs’ test equation