Statistics
By: Curtis, Mya & Rachel
About your authors
Mya N - I am in my final year of high school, Thank goodness! I enjoy spending time with my friends and cheering. I plan to attend UNCG with a major in sociology. In my free time I enjoy hitting up buffets and break dancing at the hottest clubs.
Curtis M - Yo, my name is Curtis and I am a Senior. I spend my time listening to multiple genres of music, bodybuilding, gaming, and reading on occasion. Contrary to many of my peers, I avidly enjoy school. Don't forget to pick up our mix-tape. Big C signing out.
Statistics Notes & Resources
Mean: Average (add all numbers and divide by total number items)
Mode : The number that occurs most often (you can have no mode)
Median: (middle) put numbers in order from least to greatest the number in the middle . If you have two numbers in the middle you add the two together and divide to find the median
http://www.purplemath.com/modules/meanmode.htm
Range : The biggest number - the smallest number
Line Of Best Fit - A line on a graph showing the general direction that a group of points seem to be heading.
Standard Deviation
Mean of the whole list (add all and divide total items)
Subtract the mean from each # on the list
Square those #’s
Find your new mean (found the variance)
- Square root of the variance = Standard deviation
- http://www.mathsisfun.com/data/standard-deviation.html
Overall notes
Graphs & Tables
Frequency distribution ( Tally Chart)
https://www.mathsisfun.com/data/frequency-distribution.html
http://www.mathsteacher.com.au/year8/ch17_stat/03_freq/freq.htm
Stem and Leaf
http://www.softschools.com/math/topics/stem_and_leaf_plot/
https://www.mathsisfun.com/data/stem-leaf-plots.html
Histogram
https://www.mathsisfun.com/data/histograms.html
https://www.mathsisfun.com/data/histograms.html
Line Plot
http://study.com/cimages/multimages/16/car_sold_line_plot.gif
https://www.mathsisfun.com/data/dot-plots.html
Circle Graph
http://www.icoachmath.com/math_dictionary/pie_chart.html
https://www.mathsisfun.com/data/pie-charts.html
Box & whiskers
Q2 = median of whole list once median is used it is no longer in list
Q1= Lower Quartile
Q3= Upper Quartile
http://www.webquest.hawaii.edu/kahihi/mathdictionary/B/boxwhiskerplot.php
How To Solve Videos
Standard Deviation / Varience
http://study.com/academy/lesson/data-analysis-standard-deviation.html
Mean, Median, Mode, Range
http://study.com/academy/lesson/data-analysis-mean-median-mode-and-range.html
Stem & Leaf
https://www.youtube.com/watch?v=_7m0Q_m2ppg
Box & Whisker
https://www.youtube.com/watch?v=GMb6HaLXmjY
Frequency Tables
https://www.youtube.com/watch?v=m09zYjvm5cg
Histogram
https://www.youtube.com/watch?v=KCH_ZDygrm4
Line Plot
https://www.youtube.com/watch?v=LXIIazPnIHU
Pie Chart
Interactive Activities
Sources
https://www.mathsisfun.com/data/histograms.html
http://www.studyzone.org/mtestprep/math8/e/stemgrade.gif
http://www.mathsteacher.com.au/year8/ch17_stat/03_freq/freq.htm
http://www.webquest.hawaii.edu/kahihi/mathdictionary/images/Pepperoni.png
http://www.webquest.hawaii.edu/kahihi/mathdictionary/images/boxplot.png