7. You administer a test of reading ability to a client, and they achieve a standard score of 130. For this particular test, the mean in the standardization sample is 100, with a standard deviation of 10. The reliability, based up Cronbach’s alpha, is reported to be .75. 
8. 
   
9. Compute a 95% confidence interval for the client’s true score, given their obtained score of 130. Be sure to show your work.

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To compute a 95 confidence interval for the clients true score we need to take into account the reli... View the full answer