what is statistics? “statistics is the study of the collection, organization, analysis, and...
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![Page 1: What is statistics? “Statistics is the study of the collection, organization, analysis, and interpretation of data.”](https://reader036.vdocuments.us/reader036/viewer/2022062404/551bf049550346c3588b655c/html5/thumbnails/1.jpg)
What is statistics?“Statistics is the study of the collection, organization,
analysis, and interpretation of data.”
![Page 2: What is statistics? “Statistics is the study of the collection, organization, analysis, and interpretation of data.”](https://reader036.vdocuments.us/reader036/viewer/2022062404/551bf049550346c3588b655c/html5/thumbnails/2.jpg)
How tall are students in this class?
How can we answer this question?
What data would you need to collect?
![Page 3: What is statistics? “Statistics is the study of the collection, organization, analysis, and interpretation of data.”](https://reader036.vdocuments.us/reader036/viewer/2022062404/551bf049550346c3588b655c/html5/thumbnails/3.jpg)
58" 60" 62" 64" 66" 68" 70" 72" 74" 76" 78" 80"0
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Height (inches)
Fre
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How tall are students in this class?
MEAN:Mean = 69.30
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58" 60" 62" 64" 66" 68" 70" 72" 74" 76" 78" 80"0
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Height (inches)
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How tall are students in this class?S = 4.84
STANDARD DEVIATION:
![Page 5: What is statistics? “Statistics is the study of the collection, organization, analysis, and interpretation of data.”](https://reader036.vdocuments.us/reader036/viewer/2022062404/551bf049550346c3588b655c/html5/thumbnails/5.jpg)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 150
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Data Set 1
Data Set 1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 190
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Data Set 2
Data Set 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 190
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Data Set 2Data Set 1
Mean = 8.88Std Dev = 1.90
Mean = 9.02Std Dev = 3.77
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How tall are students in Michigan?
How can we answer this question?
Would you need a different sample compared to our
previous question?
![Page 7: What is statistics? “Statistics is the study of the collection, organization, analysis, and interpretation of data.”](https://reader036.vdocuments.us/reader036/viewer/2022062404/551bf049550346c3588b655c/html5/thumbnails/7.jpg)
58" 60" 62" 64" 66" 68" 70" 72" 74" 76" 78" 80"0
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Height (inches)
Fre
qu
en
cy
How tall are students in Michigan?
STANDARD ERROR:
SE = 0.80
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Are students in Michigan taller than students in Ohio?
MI - high SE OH - high SE MI - low SE OH - low SE60
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Mean and Standard Errors
He
igh
t (i
nc
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s)
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SQUARED!
Half the class gets bean type 1, half the class bean type 2
Do the two types of beans have different lengths?
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MEAN:
STANDARD DEVIATION:
STANDARD ERROR: