StatsMedic Intro Stats 4E Chapter 5

1. define the problem
2. gather data
3. summarize data
4. communicate conclusions

• scientific method

• statistical method

• rhoades method

• euler method

Since populations are often too large, we take a

• sample

• statistic

• data (singular)

• experiment

What is the median of the data?

• 10

• 12

• 13

• 14

• 18

For the data set shown, what is the minimum?

{15, 20, 9, 8, 10, 20, 25, 17}

• 15

• 17

• 8

• 0

What is the branch of mathematics dealing with the collection, analysis, interpretation, presentation, and organization of data?

• Statistics

• Algebra

• Geometry

• Calculus

What is the branch of science and mathematics that deals with the collection, organization, or presentation, interpretation, and analysis of data regardless of discipline?

What is the Q1 of the data?

• 30

• 40

• 70

• 80

What is the IQR of the weekly car sales?

IQR = Q3 = Q1

• 10

• 6

• 4

• 3

Find the median, first quartile, third quartile, and interquartile range of the data.

• Median: 54

  First Quartile: 49

  Third Quartile: 67

  IQR: 18

• Median: 54

  First Quartile: 47

  Third Quartile: 71

  IQR: 24

• Median: 54

  First Quartile: 48

  Third Quartile: 69

  IQR: 22

• Median: 54

  First Quartile: 49

  Third Quartile: 69

  IQR: 20

How many students spent 7 hours doing homework that week?

• 1

• 3

• 5

• 6