The mean hourly wage of bottling plant employees in Nelson County is $16.50 per hour.

Question 2.2. Which of the following is NOT a measure of variability? The standard deviation The range The variance The median Question 3.3. The probability of two independent events occurring together equals the product of each of the individual event probabilities. True  False  Question 4.4. In statistical notation, M is to μ as s is to σ. True  False  Question 5.5. The z-score indicates where an individual data value lies within the data set. True  False  Question 6.6. What sets the standard normal distribution apart from all others?

It is a normal distribution It turns data from any source into normal data It is based upon ordinal scale data It has a fixed mean and standard deviation Question 7.7. Inferential statistics infer the characteristics of samples. True  False  Question 8.8. The mode is which of the following? The most frequently occurring value in a set. The middle-most value in a set of values. The difference between the highest and lowest values in a set. The arithmetic average of a set of values. Question 9.9. The standard deviation of normally distributed data sets is equal to about 1/6 of the data set’s range. True  False  Question 10.10. Normal curve data is skewed to the right. True  False