Question

Mark is using a one-sample t-test on the following group:

Subject #15: 7.5 hours
Subject #27: 6 hours
Subject #48: 7 hours
Subject #80: 6.5 hours
Subject #91: 6.5 hours
Subject #59: 7 hours

Select the two TRUE statements.

a.)
The value for the degrees of freedom for Mark's sample population is six.
b.)
The t-distribution that Mark uses has thinner tails than a standard distribution.
c.)
Mark would use the population standard deviation to calculate a t-distribution.
d.)
The t-distribution that Mark uses has thicker tails than a standard normal distribution.
e.)
The value for the degrees of freedom for Mark's sample population is five.

Answer 1

Answer:

$\blue{\rule{100pt}{99999999pt}}$

Answer 2

Answer: The answer is A and D.

Explanation: I

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