A lack of variability in a dataset that occurs because scores are clustered together at the low end of the range of possible scores is called:
a. nonvariability
b. a ceiling effect
c. a normal distribution
d. a floor effect
Ans: D
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The precursor to a grand mal seizure that many individuals with epilepsy experience is called
a. an aura. b. a halo effect. c. a tonic phase. d. stiffening.
Why is the word "hoping" likely to be more difficult to read than VCe derivatives with other endings (e.g.,hoped)?
What will be an ideal response?
What is the probability of randomly selecting one person from this distribution who consumed between 1,300 and 2,300 calories?
Dr. Jackson has done research examining the daily caloric intake of students during final exam week. He finds that the number of daily calories students consume is normally distributed around a mean of 2,000 calories with a standard deviation of 300 calories.