Here Are Some Summary Statistics for the Recent English Exam

question 67

Multiple Choice

Here are some summary statistics for the recent English exam: lowest score = 31,mean score = 66,median = 80.2,range = 79,IQR = 58,Q1 = 26,standard deviation = 8.3.Suppose the students did not study for the exam and each score went down 15%.Tell the new value for each of the summary statistics.Express your answer in exact decimals.

• A)Lowest score: 35.65,mean: 75.9,median: 92.23,range: 90.85,IQR: 66.7,Q1: 22.1,SD: 9.545
• B)Lowest score: 26.35,mean: 56.1,median: 68.17,range: 79,IQR: 49.3,Q1: 22.1,SD: 7.055
• C)Lowest score: 26.35,mean: 56.1,median: 68.17,range: 67.15,IQR: 49.3,Q1: 22.1,SD: 7.055
• D)Lowest score: 4.65,mean: 9.9,median: 12.03,range: 11.85,IQR: 8.7,Q1: 22.1,SD: 1.245
• E)Lowest score: 26.35,mean: 56.1,median: 68.17,range: 79,IQR: 58,Q1: 22.1,SD: 7.055

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Definitions:

Olfactory Hallucination

A form of hallucination involving the perception of smells that are not present in the environment.

Avolition

A reduction in the motivation to initiate and perform self-directed purposeful activities, often observed in various mental health disorders.

Working Memory

A cognitive system with a limited capacity that is responsible for temporarily holding information available for processing.

Long-term Memory

The phase of memory responsible for the storage of information over an extended period, potentially as long as a lifetime.