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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