A customs agent pulls over every 7^thcar crossing the border for a thorough search. What type of sampling method is this?

a.Cluster sampling

b.Stratified sampling

c.Systematic sampling

d.Simple random sampling

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Question2

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Which of the columns in this table lists a frequency statistic?

Savings Accounts Money Type	Number of People with this type of account	Bank Name	Savings as a Percent of Total Money Held at that Bank (where total = savings + checking)
US Dollars	1200	Chase	30%
European Euro	1800	Bank of America	40%
Japanese Yen	2000	Bank of Japan	100%

a.Column 1

b.Column 2

c.Column 3

d.Column 4

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Question3

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What type of graphical technique is this?

a.Box plot

b.Histogram

c.Stem-and-leaf

d.Relative frequency histogram

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Question4

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Using this ordered dataset, which of the following represents the 50th percentile?

ORDERED DATASET:

1.00 2.40 3.60 4.45 4.50 5.56 6.89 7.33 8.99 10.00

a.2.40

b.3.60

c.4.45

d.4.50

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Question5

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Using this ordered dataset, which of the following represents the mean?

ORDERED DATASET:

1.00 2.40 3.60 4.45 4.50 5.56 6.89 7.33 8.99 10.00

a.4.50

b.5.47

c.5.56

d.5.60