Docunent es Mailings Review View As Normal Question 1 Select one answer 1o point

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Docunent es Mailings Review View As Normal Question 1 Select one answer 1o points A statistics instructor likes to assign the material as reading in the textbook and then give a pretest before covering the material in class to discover which topics the students did not master from the reading. About an equal number of students mastered "most," "some," or "almost none" of the material from reading the textbook based on the pretest results. Then the instructor covers the material in class and assigns homework for the students to practice what they have learned. After the students complete the homework, they work with each other and the teacher in class on the problems they did not understand. Finally, after all students have mastered most of the material, she gives the same exam as a posttest. Which one of the following data sets would you expect to have the smaller standard deviation? The student's scores on the pretest. . The student's scores on the posttest. . We expect the standard deviations to be about the same. MacBook Ai

Explanation / Answer

Option-A) standard deviation will increase because the value of the exam score increased.

  

  

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