The Russet Potato Company Has Been Working on the Development

question 45

Multiple Choice

The Russet Potato Company has been working on the development of a new potato seed that is hoped to be an improvement over the existing seed that is being used.Specifically,the company hopes that the new seed will result in less variability in individual potato length than the existing seed without reducing the mean length.To test whether this is the case,a sample of each seed is used to grow potatoes to maturity.The following information is given: The on these data,if the hypothesis test is conducted using a 0.05 level of significance,the calculated test statistic is:

• A)= 1.25
• B)= 0.80
• C)= 0.64
• D)= 1.56

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Definitions:

Intellectual Disability

A condition characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers a range of everyday social and practical skills.

Autism Spectrum

A range of neurodevelopmental disorders characterized by social interaction difficulties, communication challenges, and a tendency to engage in repetitive behaviors.

Asperger's Disorder

A developmental disorder affecting ability to effectively socialize and communicate, considered part of the autism spectrum.

DSM-IV TR

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual published by the American Psychiatric Association detailing diagnostic criteria for mental disorders, replaced by DSM-5 in 2013.