A sample of 100 e-mail users were asked whether their primary e-mail account was a free account, an institutional (school or work) account, or an account that they pay for personally. Identify the classes for the resulting data.
Answer the question True or False.
What will be an ideal response?
Question 2
An event may contain sample points that are not in the original sample space of the experiment. For example, the experiment of rolling two dice has the following sample space:
(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6), (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6),
(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6), (4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6),
(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)
However, the event of rolling a sum of at least 11 on the two dice is 11, 12.
A) True B) False
Sample Problem from Raven’s Progressive Matrices
Sample of an insurance card.
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Sample Size Affects Sampling Error