QNT/275 QNT275 QNT 275 WEEK 3 QUIZ

QNT 275 WEEK 3 QUIZ

Week 3 Quiz

​Which of the following is not a characteristic of the normal distribution?

Correct Answer

​The curve is symmetric about the mean

Correct Answer

 

​The two tails of the curve extend indefinitely

Correct Answer

 

​The value of the mean is always greater than the value of the standard deviation

Correct Answer

 

​The total area under the curve is 1.0

 

The sampling error is:

Correct Answer

 

​the difference between the value of a sample statistic and the value of the corresponding population parameter

Correct Answer

 

​an error that occurs when a sample of 30 or more members is drawn

Correct Answer

 

​an error that occurs when a sample of fewer than 30 members is drawn

Correct Answer

 

​an error that occurs during collection, recording, and tabulation of data

 

The units of an F distribution:​

Correct Answer

 

​can be negative, zero, or positive

Correct Answer

 

​are always positive

Correct Answer

 

​are always negative

Correct Answer

 

​are always nonnegative

 

A continuous random variable is a random variable that can:

Correct Answer

 

​assume only a countable set of values

Correct Answer

 

​assume any value in one or more intervals

Correct Answer

 

​have no random sample

Correct Answer

 

​assume no continuous random frequency

 

The population distribution is the probability distribution of the:

Correct Answer

 

​whole population of a country

Correct Answer

 

​population data

Correct Answer

 

​population means

Correct Answer

 

​population probabilities

 

To use an F distribution, the random variable must be:

Correct Answer

 

​a continuous random variable

Correct Answer

 

​a discrete random variable

Correct Answer

 

​either a discrete or a continuous random variable

Correct Answer

 

​a qualitative random variable

 

Answer Detail

Get This Answer

Invite Tutor