Jasica

A population is a set of existing units.


1. A population is a set of existing units. 

 

2. If we examine some of the population measurements, we are conducting a census of the population. 

 

3. A random sample is selected so that on each selection from the population every unit remaining in the population has an equal chance of being chosen. 

 

4. A process is in statistical control if it does not exhibit any unusual variations. 

 

5. An example of a quantitative variable is the make of a car. 

 

6. An example of a qualitative variable is the mileage of a car. 

 

7. Statistical inference is the science of using a sample of measurements to make generalization about the important aspects of a population of measurements. 

 


8. If we sample without replacement, we do not place the unit chosen on a particular selection back into the population. 

 

9. By taking a systematic sample, in which we select every 100th shopper arriving at a specific store, we are approximating a random sample of shoppers. 

 

 


Multiple Choice Questions
 

10. Statistical methods help to: 

 

Question Attachments

1 attachments —

Pending
Other / Other
06 Mar 2018
Due Date: 06 Mar 2018

Report As Dispute

Share Your Feedback

Give Review : A+ A B C D F