Author Question: Formulate the null and alternative hypotheses for a hypothesis test.A consumer advocacy group claims ... (Read 67 times)

stevenposner · **on:** Jan 18, 2020

Question 1

Formulate the null and alternative hypotheses for a hypothesis test.

In 1990, the average math SAT score for students at one school was 498. Five years later, a teacher wants to perform a hypothesis test to determine whether the average math SAT score of students at the school has changed from the 1990 mean of 498.
◦ H0:: μ ≥ 498
Ha: μ < 498
◦ H0: μ = 498
Ha: μ < 498
◦ H0: μ = 498
Ha: μ ≠ 498
◦ H0: μ = 498
Ha: μ > 498

Question 2

Formulate the null and alternative hypotheses for a hypothesis test.

A consumer advocacy group claims that the mean amount of juice in a 18 ounce bottled drink is not

as stated by the bottler.
◦ H₀: μ = 18 ounces
H_a: μ > 18 ounces
◦ H₀: μ = 18 ounces
H_a: μ ≠ 18 ounces
◦ H₀: μ ≠ 18 ounces
H_a: μ = 18 ounces
◦ H₀: μ = 18 ounces
H_a: μ < 18 ounces

Koolkid240 · **Reply #1 on:** Jan 18, 2020

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