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Hazards - Geography - A-Level > Chi- Squared > Flashcards

Flashcards in Chi- Squared Deck (7)
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1
Q

Observed data

A

Collected in field or secondary source

2
Q

Expected

A

Expected according to the theoretical hypothesis

3
Q

Null hypothesis

A

No significance different between the O and E data

4
Q

What must you remember to do ?

A

Minus 1 from total cateorgors

5
Q

2 levels of aognicant

A

95% - 0.05

99% - 0.01

6
Q

Your value is greater than critical value

A

Reject the null hypothesis and accept my alternative hypothesis that there is a aignicant different between variables.

I can say with more than 99% convince that there is a significant different and as there is a less than 1% chance my results are due to chance.

It’s it overall clears that ….

7
Q

Your value is lower than critical value

A

Accept null hypothesis.
And reject the alternative hypothesis that there is no sigbicsnt different between the variables.

As there is more than a 5% chance that my results are due to chance.

It’s is clear that this variable affects this and I would have to conduct more research