______ is determined from the difference between the values where 25% of the scores are above and below the median.
A. Mean
B. Interquartile range
C. Variability
D. Range
Answer: B
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Which of the following best explains why people persist in behaving in an unrewarding way?
a. Most people opt for the secure, low-risk alternative. b. Most people opt for the high-risk, adventurous option. c. There are greater potential benefits. d. There is a high degree of uncertainty in their current behavior.
In the United States and Canada, what percentage of infants are breast-fed?
More than 70% 60% Under 50% 40%
Proponents of the death penalty might use social psychological data to assert that it could become an effective deterrent if
A) criminals were made aware of the death penalty. B) it were more selectively applied. C) it were more broadly applied. D) law enforcement can work more efficiently and swiftly. E) the criminal justice system becomes more "colour blind."
Your 22-year-old sister was horrified to learn that she contracted an STI that could potentially increase her risk of infertility. What is one STI she could have?
A. lice B. herpes simplex virus 2 C. syphilis D. human papilloma virus