. Which of the following statements (is) are correct regarding the concept of the "Tails of a Normal Distribution?"

• always cross the x-axis
• never cross the x-axis
• sometimes cross the x-axis
• none of these
• all of these

2. Which of the following statements (is) are correct regarding the concept of "Statistical Inference Tools?"

• these tools help to reach a conclusion about a given population from which a sample is taken
• these tools help to reach a conclusion about a given sample when there is no information about the corresponding population
• it is a deterministic analytical tool
• none of these
• all of these

3. Which of the following statements (is) are correct regarding the concept of the "Coefficient of Variation?"

• it is used to measure the relative variations of data
• it is used to identify outliers
• it is always shown as an integer
• none of these
• all of these

4. Which of the following statements (is) are correct regarding the reliability of consumer research?

• this type of research is very reliable
• this type of research will yield perfect information
• this type of research is unbiased
• all of these
• none of these

5. Which of the following statements (is) are correct regarding the concept of a "Parameter?"

• it is an element of a population
• it is an element of a sample
• it is a total length of a fence
• all of these
• none of these

6. Which of the following statements (is) are correct regarding the concept of a " Dependent Variable?"

• its value depends on the value of other variables
• its value does not depend on the values of other variables
• it is equal to zero
• none of these
• all of these

7. Which of the following statements (is) are correct regarding the concept of a "Personal Bias in Business?"

• it is desirable and unavoidable
• it is undesirable and unavoidable
• it is unavoidable
• it is avoidable

8. Which of the following statements (is) are correct regarding the concept of an "Independent Variable?"

• its value depends on values of other variables
• its value does not depend on values of other variables
• it is always equal to zero
• none of these
• all of these

9. An "Experiment" is any process that generates data as its outcome:

• True
• False

10. The "Mode" is the value in a dataset that occurs most frequently:

• True
• False