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Make me questions on Testing Hypothesis: Null and Alternative hypotheses

Quiz by Vincent Villasante

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10 questions
Show answers
  • Q1
    What is a null hypothesis?
    A hypothesis that predicts a significant difference between specified populations or variables
    A hypothesis that is always rejected
    A hypothesis that is proven to be true
    A hypothesis that states there is no significant difference between specified populations or variables
    30s
  • Q2
    What is an alternative hypothesis?
    A hypothesis that is always rejected
    A hypothesis that states there is no significant difference between specified populations or variables
    A hypothesis that predicts a significant difference between specified populations or variables
    A hypothesis that is proven to be true
    30s
  • Q3
    Which type of hypothesis is tested first?
    Alternative hypothesis
    Neither
    Both are tested simultaneously
    Null hypothesis
    30s
  • Q4
    What is a Type I error?
    Failing to reject a false null hypothesis
    Rejecting a true null hypothesis
    Failing to reject a true null hypothesis
    Rejecting a false null hypothesis
    30s
  • Q5
    What is a Type II error?
    Failing to reject a false null hypothesis
    Rejecting a true null hypothesis
    Rejecting a false null hypothesis
    Failing to reject a true null hypothesis
    30s
  • Q6
    What is the significance level typically set at?
    1.00
    0.05
    0.10
    0.01
    30s
  • Q7
    What is statistical power?
    The ability of a test to incorrectly accept a false null hypothesis
    The ability of a test to incorrectly reject a true null hypothesis
    The ability of a test to correctly reject a false null hypothesis
    The ability of a test to correctly accept a true null hypothesis
    30s
  • Q8
    What is the formula for calculating power?
    alpha + beta
    beta - alpha
    1 + alpha
    1 - beta
    30s
  • Q9
    What is the formula for calculating Type I error probability?
    1 - alpha
    alpha
    beta
    1 - beta
    30s
  • Q10
    What is the formula for calculating Type II error probability?
    beta
    alpha
    1 - beta
    1 - alpha
    30s

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