Determine which is the appropriate approach to conduct a hypothesis test.
-Claim: The AI, or Adequate Intake of water, for pregnant women is a mean of 3L/d, liters per day. Sample data: n = 200 , X = 2.5 , s =1. The sample data appear to come from a normally distributed population with σ=1.2 .
A) Use the normal distribution.
B) Use the Student t distribution.
C) Use the Chi square distribution.
D) Use nonparametric or bootstrapping methods.

Question

Quizplus · Accepted Answer

Since the population standard deviation (σ) is known and the sample size is large (n=200), the normal distribution is appropriate for conducting the hypothesis test.

Determine Which Is the Appropriate Approach to Conduct a Hypothesis