Suppose the scores of architects on a particular creativity test are n


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Suppose the scores of architects on a particular creativity test are normally distributed Using a normal curve table pp 673 676 of the text what percentage of architects have Z scores

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<br/><br/>7.  Suppose the scores of architects on a particular creativity

test are normally distributed. Using a normal curve table (pp. 673-676 of the text), what percentage of architects have Z scores

a.    above .10?      
b.    below .10?      
c.    above .20?       
d.    below .20?       
e.    above 1.10?     
f.     below 1.10?    


8.  A statistics instructor wants to measure the effectiveness of his teaching skills in a class of 102 students (N = 102). He selects students by waiting at the door to the classroom prior to his lecture and pulling aside every third student to give him or her a questionnaire.
     

-Is this sample design an example of random sampling? Explain.

Assuming that all students attend his class that day, how many students will the instructor select to complete his questionnaire?

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