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DEPARTMENT OF STATISTICS Statistical literacy. DEPARTMENT OF STATISTICS Damaged for life by too much TV.

Published byMargaret McKenzie Modified over 8 years ago

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Presentation on theme: "DEPARTMENT OF STATISTICS Statistical literacy. DEPARTMENT OF STATISTICS Damaged for life by too much TV."— Presentation transcript:

1 DEPARTMENT OF STATISTICS Statistical literacy

2 DEPARTMENT OF STATISTICS Damaged for life by too much TV

3 DEPARTMENT OF STATISTICS Damaged for life by too much TV N Z Herald (04/10/2005)

4 DEPARTMENT OF STATISTICS Damaged for life by too much TV

5 DEPARTMENT OF STATISTICS Damaged for life by too much TV TV watching Health Score r = - 0.93 Causal relationship?

6 DEPARTMENT OF STATISTICS Causal relationships  Two general types of studies: experiments and observational studies  In an experiment, the experimenter determines which experimental units receive which treatments.

7 DEPARTMENT OF STATISTICS Damaged for life by too much TV TV watching Health Score r = - 0.93 Causal relationship?

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