Question 1.1. A parameter refers to a sample characteristic.

True

False

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