Histograms, Variables, Elements

1) A histogramthat has a long tail to the right shows a distribution that is:
A. Skewed to the right
B. Shewed to the left
C. Normal
D. Centered

2) A person’s telephone area code is an example of a(n) _____________ variable.
A. Ratio
B. Interval
C. Nominative
D. Ordinal

3) A set of all elements we wish to study is called a _______.
A. Frame
B. Census
C. Sample
D. Population

1) Correct answer: A
Details: A histogram is said to have a normal distribution if it is neither skewed to the right or to the left. If a distribution has …

Three general statistics questions.