Sign Test Flashcards

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1
Q

what is the first step of the sign test?

A

write suitable alternative and null hypotheses of the investigation

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2
Q

what is the second step of the sign test?

A

work out the sign
- + or -

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3
Q

what is the third step of the sign test?

A

find the calculated value
- calculated value = S
- S is found by adding all the +s and -s and whichever there is fewer of this is the S value

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4
Q

what is the fourth step of the sign test?

A
  • find the critical value
  • N = number of ppts(any difference of 0 should be removed)
  • our hypothesis was directional/non-directional so we use a one-tailed test/ two-tailed test
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5
Q

what is the end conclusion of the sign test?

A
  • if the calculated value is less than or equal to the critical value then the results are significant
  • accept / reject the null/alternative hypothesis
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