A Fast Food Company Uses Two Management-Training Methods A)-1699
B)-1

question 44

Multiple Choice

A fast food company uses two management-training methods.Method 1 is a traditional method of training and Method 2 is a new and innovative method.The company has just hired 31 new management trainees.15 of the trainees are randomly selected and assigned to the first method,and the remaining 16 trainees are assigned to the second training method.After three months of training,the management trainees took a standardized test.The test was designed to evaluate their performance and learning from training.The sample mean score and sample standard deviation of the two methods are given below.The management wants to determine if there is a difference in average scoring between the two training methods.Using the information provided,what is the critical value would be used at the 5% level of significance assuming that the population variances are equal? $$\begin{array} { l c c } & \text { Mean } & \text { Standard deviation } \\\text { Method 1 } & 69 & 3.4 \\\text { Method 2 } & 72 & 3.8\end{array}$$

• A)-1.699
• B)-1.734
• C)-1.671
• D)-2.015
• E)-1.415

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