Hypothesis Testing for Correlation (Edexcel A-Level Mathematics): Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
Symbol in hypothesis testing
Symbol in hypothesis testing
Sample correlation coefficient
Symbol in hypothesis testing
Symbol in hypothesis testing
Population correlation coefficient
Null hypothesis for correlation test
Null hypothesis for correlation test
(no correlation)
for positive correlation test
for positive correlation test
for negative correlation test
for negative correlation test
for two-tailed correlation test
for two-tailed correlation test
Reject for positive correlation when
Reject for positive correlation when
critical value
Reject for negative correlation when
Reject for negative correlation when
-critical value
Critical values depend on
Critical values depend on
Sample size () and significance level
Small sample issue in correlation
Small sample issue in correlation
Errors can inflate/deflate
If doesn't exceed critical value
If doesn't exceed critical value
Do not reject ; insufficient evidence
Calculator mode for finding
Calculator mode for finding
Statistics mode, option