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Another function that we will use to perform relative frequency and cumulative relative frequency is the absolute cell function . If I wanted to find the percentage of students who arrived on campus by car, I would need to take the sum of students who took the survey and drove a car then divide that number by the total number of students who took the survey. I would need to use the same process to find the relative frequency of students who took the bus, rode their bike, or walked to campus. Rather than enter that formula 4 times you will be able to copy and paste this formula from row to row if you use the absolute cell function. To create a cell that will never change even if you copy and paste a cell to a different column or row you will need to add a “$” dollar sign in front of the column and row signature. For instance if you want to keep cell h2 constant even if the formula is copied and pasted to a new row or column, you would need to write that cells name as $h$2, We will see an application of this as we work with relative frequency. When one copies a formula from one cell to another without the absolute cell function “$” the dollar sign, the formula is relative and the cell reference will change. Copy the cell that you used to enter =h2+h5 into a new row in the same column (if you entered it into K2, copy and paste it into cell K4. What happens? The value is not the same. Look at the formula bar and it will indicate that the new reference was +h4+h7. Why did that happen? The reference was relative and you kept the same column but moved down two rows the rows in the formula also changed by two. Now, put an absolute function sign “$” the dollar sign in front of the cell reference. Enter =$h$2+$h$5 in a cell. Then copy and paste this function to any other cell in a different row or column and you will see that the reference is absolute. It does not change.

Optional classroom exercise:

At your computer, try this exercise: (1) Download the file, Statistics First Day of Class Survey; (2) Save the file to your desktop and one other cloud or personal recording device (jump drive, email) Be sure to name this file as indicated above (name of project with your full name); (3) open the file in Google Spreadsheet and create sheet labels; (4) save file and open in Excel; (change at least one row or column by wrapping text, right justifying) (5) Clean the data file so that each column has only categorical information or measurement data with all the same units of measurement and any label (other than in the column headings) removed. (6) Enter a formula into a cell with a relative reference and then with an absolute reference. Copy and paste the two formulas into other columns or rows. What happens? (7) save the file again and post in the appropriate Moodle assignment.

Summarizing Data :

Categorical and measurement data are summarized differently as indicated in the text. Both categorical and measurement data can be summarized by frequency distributions but when we use charts and graphs to display data we will look at the difference between displaying categorical data using pie charts and bar graphs while we will use vertical or horizontal histograms, box plots, or stem and leaf graphs to display measurement data. In this chapter we will only address frequency distributions and the display of categorical data. In the next chapter you will learn how to display measurement data. For the following examples we will use data from the Statistics First Day of Class Survey using only sample data from How did you arrive on campus today? And The number of college credit hours you have completed to date.

Questions & Answers

what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
Daniel
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Collaborative statistics using spreadsheets. OpenStax CNX. Jan 05, 2016 Download for free at http://legacy.cnx.org/content/col11521/1.23
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