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Home Q & A Board Science-Related Homework Help Psychology
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shanell610 shanell610
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6 years ago
If the test scores on an art history exam were normally distributed with a mean of 76 and standard deviation of 6, we would expect
 
  a. most students scored around 70.
  b. no one scored 100 on the exam.
  c. almost equal numbers of students scored a 70 and an 82.
  d. both a and c

Question 2

Which of the following is NOT always true of a normal distribution?
 
  a. It is symmetric.
  b. It has a mean of 0.
  c. It is unimodal.
  d. both a and b

Question 3

Transforming a set of data to a new mean and standard deviation using a linear transformation
 
  a. alters the shape of the distribution.
  b. makes the scores harder to work with.
  c. is rarely permissible.
  d. is something we do frequently.

Question 4

Stanine scores
 
  a. are badly skewed.
  b. have a mean of 5 and vary between 1 and 9.
  c. are always integers.
  d. both b and c
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lex2013lex2013
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6 years ago
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shanell610 Author
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6 years ago
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