Nielsen Media Research collects national TV ratings by using a "people meter." This is a box that is attached to TV sets, VCRs, DVRs, cable boxes, and satellite dishes in about 20,000 households across the country. A viewer uses the remote to signal the people meter that someone is watching a TV program. The box then transmits the viewing information to the Nielsen Company. The information Nielsen is collecting is referred to as .

(A) choicesinternal secondary
(B) datainteractive industry
(C) datasensitivity dataexternal secondary
(D) dataobservational data

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?

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