Significance Testing

When the p-value is greater than alpha we:

• Reject Ho

• Fail to reject Ha

• Fail to reject Ho

• Reject Ha

Suppose the P-value for a hypothesis test is 0.0304. Using a = 0.05, what is the appropriate conclusion?

• a) Reject Ho

• b) Reject Ha

• c) Fail to reject Ho

• d) Fail to reject Ha

What is the only option for the null hypothesis? 

• =

• >

• <

• ≠

Which of the following is not an option for an alternate hypothesis? 

• =

• >

• <

• ≠

The weight of the average 6th grade student's backpack (with books in it) is 18.4 lbs. The principal of the school thinks that the backpack does not weight 18.4 lbs. What is the null and alternate hypothesis? 

• H₀ = 18.4
  H_a = 18.4
• H₀ = 18.4
  H_a > 18.4
• H₀ = 18.4
  H_a < 18.4
• H₀ = 18.4
  H_a ≠ 18.4

The null and alternative hypothesis can be the same.

• Yes

• No

• Maybe

• All the above

Tags

CCSS.6.SP.A.1

Identify the correct null hypothesis:

Is the proportion of babies born male different from 50%? In a sample of 200 babies, 96 were male. Test the claim using a level of significance of 1%.

• H₀: p = 0.50

• H₀: µ = 100

• H₀: p = 0.48

• H₀: µ = 96

When performing a test about the population proportion, what distribution would you need to use? 

• z
• t
• chi-square

Suppose the P-value for a hypothesis test is 0.0304. Using a = 0.01, what is the appropriate conclusion?

• a) Reject Ho

• b) Reject Ha

• c) Fail to reject Ho

• d) Fail to reject Ha

Which test do we run for proportions?

• Z-Test

• T-Test

• 1-PropZTest

• 1-MeanTTest