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# Statistics Essay

599 words - 3 pages

Statistics
Collecting-
Organizing-
Presenting- charts and pie charts.
Analyzing- calculate, means and mode, we will do next time we “meet”
Collecting information, Rebbeca-female-6.8
Joe M 75.
Organized “highest to lowest”

Presenting Data. Males 0.500 at least “half of the data” 50 percent average grade is 6.0
Females is 6.4
How to get average or “mean” if 5 numbers for example, add all 5 numbers, and then divide by 5
Definitions of “MEAN MEDIAN AND MODE”
Types of Statisitics. Example: the average age of Qataris living in Ain Khalid, average length of books about statistics.
Inferntial-
Population vs Sample
Population Allmembers of a group from which you want to draw a conclusion
-for example, all residents aged 45 and over, all male patients treated at Al Wakra Hospital in 2013.
...view middle of the document...

Parameter: a numerical
Presentation of categorical data
Summary tables/charts
Helps you to see big picture
Ideal to present one or two variable (e.g. Gender)
For summary tables
Example “””””” Nokia sony Samsung Lg others….
Number sold column on left, percentage on right…. (106----27.7)
Nokia has largest market share – 27.7%
4 brands account for 59.2% of mobile phone market
“Oligarchy”|
Pie charts, and graphs… What is wrong with this chart?
No information, different sections, we don’t know what this stands for, or what that stands for, label charts, titles numbers, percentages. It is always important.
Gender male female, 6-10, females. Cross tabulation-
How many hours do they dedicate to their courses, do first year dedicate more time then second year? Categories for different variables.
.common sense. – 5 categories--- Symbian 60 percent in 2008 was the highest. 22% was the highest percent in 2012, IOS WINS, 10 POINTS TO GRIFFINDOR!

*IN CLASS ASSIGNEMTN” CALCULATE PERCENTAGE FOR STUDENTS, P-DRIVE, DR ADREENE EXAMPLE SAMPLE.
*=b7/b9
= b8/b9
Then hit percentage at the top.
Function then sum after highlighting it. Hittin the fx- velsus thing at the top left middle.
PIE CHART NOW! WOO!

Insert, chart, pie. “that one” hit pie chart on the top, read the information, its all there. Pie chart.
“right click, add data labels” lel.
CLICK ON THE BAR, NOT THE CHART, U HAVE TO RIGHT CLICK THE ACTUAL BLUE BAR!!!!!!!!!!!!!!! SETTINGS RIGHT CLICK.
“ROBUST” 50 IS EASY, ITS BABY, 2000 IS HARD!
DR-EDDY, JOIN GROUPS, SELECT PROCESSES.
RAND FUNCTION, AND THE RANDBETWEEN FUNCTIONS!
HANDOUT----HANDOUT---HANDOUT---POWER POITN SLIDES. ABOUT MIN AND MAX = ETC.

=MIN- FUNCTION ON THE TOP LEFT FX THING.
=MAX-SAME THING =MAX(BLAH BLAH) CLOSE BRACKET. HIT ENTER.
HOW TO EXPAND.\
=max
=min
=randbetween
The rand between, you have to mannully type the lowest number first (3,30) press enter
And don’t forget to bracket () end brackets etc. hit enter.
COLUMMB 8 IS!!!!! TAKE NOTES!!!!
=RANDBETWEEN(19,20)/10 ……IT GIVES U 2…THEN U DRAG IT DOWN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! IMPORTANT!!!!!!!!!!

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