A study was designed to investigate the effects of two variables (1 ) a student's level of
mathematical anxiety and (2 ) teaching method on a student's achievement in a mathematics
course.
Students who had a low level of mathematical anxiety were taught using the traditional
expository method. These students obtained a mean score of 350 with a standard deviation of 40
on a standardized test. Assuming a mound-shaped and symmetric distribution, what
percentage of scores exceeded 270?
A) approximately 84% B) approximately 97.5%
C) approximately 100% D) approximately 95%
B
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A buyer and seller mutually agree to rescind their residential sales contract. If the buyer was secured by the lising broker, working under an exclisive rightt to sell listing,the broker might be entitled to:
A. The earnest money. B. One half of the earnest money. C. The full commission. D. One half of the commission.
Negotiated rulemaking has been criticized as too costly and too time consuming
a. True b. False