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One of the major automobile makers has developed two new engines.At question is whether the two engines have the same variability with respect to miles per gallon.To test this using a 0.10 level of significance,the following information is available: Based on this situation and the information provided,the null hypothesis cannot be rejected and it is possible that the two engines produce the same variation in mpg.
Stratified
Categorized into different levels or layers, especially in a hierarchical order.
Collective
Pertaining to or involving a group of individuals acting as a whole.
Self-Efficacy
The belief in one's capabilities to organize and execute the courses of action required to manage prospective situations.
Strength-Training
A form of physical exercise specializing in the use of resistance to induce muscular contraction, which builds strength and anaerobic endurance.
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