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Data Science: Pre-test

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Q 1/5
Score 0
The height of 10 basketball players were measured in inches and were: 74 82 78 72 78 73 78 72 78 81 What is the mean of the heights?
29
75
72
76.6
77

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5 questions

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Q1
The height of 10 basketball players were measured in inches and were: 74 82 78 72 78 73 78 72 78 81 What is the mean of the heights?
75
72
76.6
77
120s
Q2
The height of 10 basketball players were measured in inches and were: 74 82 78 72 78 73 78 72 78 81 What is the mode of the heights?
72
76.6
75
78.0
120s
Q3
The height of 10 basketball players were measured in inches and were: 74 82 78 72 78 73 78 72 78 81 What is the median of the heights?
78
75
72
76.6
120s
Q4
Why is it important to study statistics
It helps us to answer important questions
It helps us to develop our critical thinking skills
All of the above
It helps us to understand data
120s
Q5
Health related Scientific data analysis helps us to answer three questions EXCEPT:
How do we know the easiest and cheapest way to keep people from getting sick and improving health?
How do we know what improves patient health?
How fast can driverless cars go?
How do we know why people get sick?
120s

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