211k views
2 votes
How did you differentiate the statements

describing standard normal distribution from those involving tdistribution?

1 Answer

4 votes

Answer:

Like a standard normal distribution (or z-distribution), the t-distribution has a mean of zero. The normal distribution assumes that the population standard deviation is known. The t-distribution does not make this assumption. The t-distribution is defined by the degrees of freedom.

User Kirby Todd
by
9.3k points

Related questions