Which of the following statements are correct?
a. A normal distribution is any distribution that is not unusual.
b. The graph of a normal distribution is bell-shaped.
c. If a population has normal ditribution, the mean and the median are not equal.
d. The graph of a normal distribution is symmetric.
2 answers
b and d are correct
Which of the following are correct statements regarding the goodness-of-fit test?
A) Data may be of nominal scale.
B) Population must be normal.
C) All the expected frequencies must be equal.
D) The expected frequencies must be equal.
A) Data may be of nominal scale.
B) Population must be normal.
C) All the expected frequencies must be equal.
D) The expected frequencies must be equal.