Calculate effect size index for the students doritos data

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Question: 1. Calculate the effect size index for the students' Doritos data, and interpret it using the conventions that researchers use.

2. In problem, you found that people who are successful in used car sales have significantly higher extraversion scores than those in the general population. What is the effect size index for those data and is the effect small, medium, or large?

Problem: The NEO PI-R is a personality test. The E stands for extraversion, one of the personality characteristics the test measures. The population mean for the extraversion test is 50. Suppose 13 people who were successful in used car sales took the test and produced a mean of 56.10 and a standard deviation of 10.00. Perform a t test and write a conclusion.

Reference no: EM131711541

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