Question 1.1. A parameter refers to a sample characteristic.
Question 2.2. Which of the following is NOT a measure of variability?
The standard deviation
Question 3.3. The probability of two independent events occurring together equals the product of each of the individual event probabilities.
Question 4.4. In statistical notation, M is to μ as s is to σ.
Question 5.5. The z-score indicates where an individual data value lies within the data set.
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.
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.
Question 10.10. Normal curve data is skewed to the right.
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