Question

We have referred several times to data on reaction times in a mental rotation task. These data can be found on this book’s website as Ex6–14.dat. Using SPSS, or a similar program, read in the data and plot a histogram of reaction times in seconds. Click on the appropriate box to superimpose a normal distribution on the graph. What does this suggest about the normality of these data and why might you not expect them to be normal?


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  • CreatedSeptember 22, 2015
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