A 12 fl. oz. bottle of shampoo costs $1.08 at Costco. A 20 fl. oz. Bottle of the same shampoo costs $2.20 at Wal-Mart. Which store has the better buy?

9514 1404 393

  Costco

Step-by-step explanation:

2 bottles at Costco give you 24 oz of shampoo for the price of $2.08, which is less than Wal-Mart's price of $2.20 for fewer ounces.

Costco has the better buy.

two data sets with the same median will not have the same varaibility

step-by-step explanation:

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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