The properties of a normal curve are such that _____ of the values under it occur plus or minus two standard deviations from the mean.

a. 33%
b. 50%
c. 68%
d. 95%
e. 99%

d. 95%

Communication & Mass Media

You might also like to view...

Encouraging your audience, who already recycles, to recycle more frequently is an attempt to instill a belief

Indicate whether the statement is true or false

Communication & Mass Media

When is a participant observer able to confidently leave the field?

a. The researcher can leave the field at any time, confident of her findings. b. The researcher typically sets a particular length of time at the start of the study, she may leave the field any time after that. c. The researcher should remain in the field for 3-5 years. d. The researcher can confidently leave the field once saturation has been achieved.

Communication & Mass Media