I the Test Statistic for a Problem Involving an Unknown

question 28

Multiple Choice

i. The test statistic for a problem involving an unknown population standard deviation is the Student's t distribution. ii. The t distribution approaches the Z distribution as the sample size increases.
iii. As the sample size increases, the computed value of t decreases.

• A) (i), (ii), and (iii) are all correct statements.
• B) (iii) is a correct statement but not (i) or (ii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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