Question

In: Statistics and Probability

Children of three ages are asked to indicate their preference for three photographs of adults. Do...

Children of three ages are asked to indicate their preference for three photographs of
adults. Do the data suggest that there is a significant relationship between age and
photograph preference? What is wrong with this study? [Chi-Square = 29.6, with 4
df: ? < 0.05].

### Photograph
Age of child A B C
5-6 years 18 22 20
7-8 years 2 28 40
9-10 years 20 10 40

Solutions

Expert Solution

Chi-Square test of independence:

Since p-value < 0.05 i.e. we can reject H0 and hence it can be concluded that there is a significant relationship between age and photograph preference.

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orchestra answered 2 years ago
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