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Statistics

1. A small business owner is experiencing a high staff turnover and wants to design a study to investigate the problem. Please identify following elements of this research study.

a. Research problem

b. Research design

c. Hypothesis to be tested

d. Data collection methods

e. Unit of analysis

2. Sara scored 75 in a statistics exam. The group mean was 70 and the standard deviation of the scores was 5.

a. What percentile is Sara in?

b. What is the probability of randomly chosen student scoring at least 60?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9372789

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