Given the following frequency distribution:
Score f
20 1
19 2
18 4
17 1
15 1
12 3
8 2
4 1
1. What is the cumulative frequency of score 18?
2. What is the cumulative percentage of score 18?
A national pollster prior to a presidential election determines that 16 states can be classified as blue (democratic), 19 states as red (Republican), and 15 states as purple (undecided).
1. What proportion of states are blue?
2. What percentage of the states are red?
3. What percentage of the states are blue and purple?
Instructions: classify the measurement type in each of the following examples as:
a. Nominal
b. Ordinal
c. Interval/ratio
1. An individual's religious affiliation
2. A person's occupation
3. A person's IQ score
4. A person's age in years
5. A person's hair shade (very light, light, medium, dark, very dark)
6. An individual's racial background
7. A person's hair color (red, brown, blonde, etc.)
8. Someone's comprehension of another language (illiterate, read/speak somewhat, fluent)
9. A person's highest degree earned (less than high school, completed high school, some college, etc.)
10. The number of children a person has
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