Hypothesis Testing (Edexcel A-Level Further Mathematics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do we first assume when performing a hypothesis test for correlation?
What do we first assume when performing a hypothesis test for correlation?
No correlation
What does represent in correlation testing?
What does represent in correlation testing?
Null hypothesis: no correlation
If testing for positive correlation only, what is ?
If testing for positive correlation only, what is ?
A 5% significance level means we test with what level of certainty?
A 5% significance level means we test with what level of certainty?
95%
For a one-tailed positive test, when do we reject ?
For a one-tailed positive test, when do we reject ?
When critical value
In a two-tailed test at 10% significance, how is the level split?
In a two-tailed test at 10% significance, how is the level split?
5% each direction
Spearman's rank test hypotheses refer to what instead of ?
Spearman's rank test hypotheses refer to what instead of ?
Association
For a two-tailed test, when do we reject ?
For a two-tailed test, when do we reject ?
critical or critical
What statement shows rejection of at significance level?
What statement shows rejection of at significance level?
Sufficient evidence for correlation