A Hair Stylist Records the Hair Color of Her 25

question 88

Essay

A hair stylist records the hair color of her 25 most recent appointments, classifying the color as blonde, brown, black, or red. Her data set is displayed next. (See the Excel Data File.)
A) Construct a frequency and relative frequency distribution of the hair color of the stylist's customers.
B) Construct a pie chart. Which hair color is the most common among the stylist's customers?
C) Create a bar chart to display the frequency distribution. How many customers had black hair?

• A) Construct a frequency and relative frequency distribution of the hair color of the stylist's customers.
• B) Construct a pie chart. Which hair color is the most common among the stylist's customers?
• C) Create a bar chart to display the frequency distribution. How many customers had black hair?

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Definitions:

Representative Sample

A subgroup of a population selected to accurately reflect the characteristics of the larger group it represents for research purposes.

College Students

Individuals enrolled in institutions of higher education to pursue degree programs or other academic credentials.

Next Election

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Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis formation, experimentation, and conclusion.