A Teacher Wants to Determine the Mean Score of Students

question 73

Multiple Choice

A teacher wants to determine the mean score of students taking a newly developed test.Her students scored as follows: 40,45,60,65,70,70,70,80,90,100.Compute the mean for the class.

• A)69
• B)70
• C)69.5
• D)none of these

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Definitions:

Normal Distribution

A probability distribution that is symmetric around its mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Standard Deviation

A parameter that captures the level of scattering or variation among values in a dataset.

Tips

Gratuity given to service workers in addition to the basic price for the service provided.

Conjunctive Adverbs

Words that help connect two clauses or sentences, providing a transition that indicates relation or sequence.