Why do companies collect data about people's preferences?
Identify Distribution of Data by Observing Bell Curves

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Mathematics
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9th - 10th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To improve customer service
To better sell goods and services
To reduce production costs
To increase employee satisfaction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a bell curve used to represent?
A linear distribution
A random distribution
A normal distribution
A skewed distribution
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a bell curve, where are most of the data results located?
Far below average
Close to average
Far above average
Evenly distributed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of the population falls within the average range in an IQ score distribution bell curve?
50%
68%
90%
75%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why should some types of data not be displayed using a bell curve?
They are not numerical
They are too simple
They do not follow a normal distribution pattern
They are too complex
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