Multiple Choice
If IQ scores are normally distributed,having a mean of 100 and a standard deviation of 15,approximately what percentage of people have IQ scores between 55 and 145?
A) 34
B) 68
C) 95
D) 100
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q7: The symmetrical bell‑shaped figure used to represent
Q8: _ means that the observed differences between
Q9: The median of a distribution of scores
Q10: The precision with which a sample average
Q11: The most familiar measure of central tendency
Q13: For which of the following distributions of
Q14: Differences between two samples are LEAST likely
Q15: If a set of standardized test scores
Q16: On average,Caryl's school bus arrives on time,although
Q17: When you read a bar graph,it is