805867
Questão 1
Questão
Which statement regarding biased sampling is false?
Responda
-
Online sampling is biased because only the people who happen to visit the web site will take the survey.
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A radio call-in survey is biased because only people who feel strongly about the topic will respond.
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A survey handed to every third person leaving a library is biased because everyone leaving the library was not asked to participate.
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Asking for experts to take a survey is biased because they may have particular knowledge of the topic.
Questão 2
Questão
Which relation is not a function?
Responda
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{(2,4), (1,2), (0,0), (-1,2), (-2,4)}
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{(2,4), (1,1), (0,0), (-1,1), (-2,4)}
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{(2,2), (1,1), (0,0), (-1,1), (-2,2)}
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{(2,2), (1,1), (0,0), (1,-1), (2,-2)}
Questão 3
Questão
The box-and-whisker plot shown below represents the number of magazine subscriptions sold by members of a club. Which statistical measures do points B, D, and E represent,
respectively?
Responda
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minimum, median, maximum
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first quartile, median, third quartile
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first quartile, third quartile, maximum
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median, third quartile, maximum
Questão 4
Questão
The graph below illustrates the number of acres used for farming in Smalltown, New York, over several years. Using a line of best fit, approximately how many acres will be used
for farming in the 5th year?
Image:
regents_exam.PNG (image/PNG)
Responda
-
0
-
200
-
300
-
400
Questão 5
Questão
Which data can be classified as quantitative?
Responda
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favorite stores at which you shop
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U.S. Representatives and their home states
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sales tax rate in each New York county
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opinion of a freshman on the color of Paul’s shirt
Questão 6
Questão
The length and width of a rectangle are 48 inches and 40 inches. To the nearest inch, what is the length of its diagonal?
Responda
-
27
-
62
-
88
-
90
Questão 7
Questão
Jonathan drove to the airport to pick up his friend. A rainstorm forced him to drive at an average speed of 45 mph, reaching the airport in 3 hours. He drove back home at an average speed of 55 mph. How long, to the nearest tenth of an hour, did the trip home take him?
Responda
-
2.0
-
2.5
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2.8
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3.7
Questão 8
Questão
Which set of data describes a situation that would be classified as
qualitative?
Responda
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the colors of the birds at the city zoo
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the shoe size of the zookeepers at the city zoo
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the heights of the giraffes at the city zoo
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the weights of the monkeys at the city zoo
Questão 9
Responda
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linear
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quadratic
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exponential
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absolute value
Questão 10
Questão
There are 18 students in a class. Each day, the teacher randomly selects three students to assist in a game: a leader, a recorder, and a timekeeper. In how many possible ways can the jobs be assigned?
Responda
-
306
-
816
-
4896
-
5832
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