Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard...
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![Page 1: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/1.jpg)
Standard Deviation-5
![Page 2: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/2.jpg)
• Range- difference between highest & lowest value in a set of data
• Standard Deviation- a widely used measurement of variability or diversity in statistics
• Variation- a measure of change in data
![Page 3: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/3.jpg)
DO NOT WRITE
• Standard Deviation
• Variance2 2
1
1( )
n
ii
x xn
2
1
1( )
n
ii
x xn
![Page 4: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/4.jpg)
Graphing Calculator
• Enter lists of data just like central tendencies
• To calculate mean, variance, and standard deviation:
STAT->-CALC-1 VAR STATS-ENTER-2ND –STAT-NAMES 1-ENTER-ENTER
![Page 5: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/5.jpg)
WHAT TO LOOK FOR
• Without clearing the calculator, enter the ENTIRE This will give you the variance.
#
tan
X ismean
x is s dard deviation
2( #)x
![Page 6: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/6.jpg)
Find the mean, standard deviation, and variance.
• {5.6, 5.6, 5.7, 5.8, 5.8, 5.8, 5.9, 6.1}
• Range=• Mean( )=X
2( )
x
x
.5
5.7875
.1536025716
.02359375
![Page 7: Standard Deviation -5. Range- difference between highest & lowest value in a set of data Standard Deviation- a widely used measurement of variability.](https://reader036.fdocuments.us/reader036/viewer/2022082613/5697c02d1a28abf838cd9c37/html5/thumbnails/7.jpg)
Assignment