Question 1 A parameter refers to a sample characteristic.
True
False
Question 2.Which of the following is NOT a measure of variability?
The standard deviation
The range
The variance
The median
Question 3.The probability of two independent events occurring together equals the product of each of the individual event probabilities.
True
False
Question 4.In statistical notation, M is to μ as s is to σ.
True
False
Question 5.The z-score indicates where an individual data value lies within the data set.
True
False
Question 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.Inferential statistics infer the characteristics of samples.
True
False
Question 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.The standard deviation of normally distributed data sets is equal to about 1/6 of the data set's range.
True
False
Question 10.Normal curve data is skewed to the right.
True
False