Statistics With Excel Sam Gordji Weir 107

Obtaining the Sum of Three Numbers Enter 1,2, and 3 in columns A1,A2, and A3 Under Formula click the “More Functions” and choose Statistical From Statistical choose ”AVERAGE” Enter the correct column, e.g. AVERAGE(A1:A3), then click The result for the mean, which Excel calls AVERAGE, will appear

To obtain the Variance of the Same Three Numbers, From “Statistical” Choose ”VARA” Enter 1,2, and 3 in the Small Window Below and Click “OK”

To obtain the Standard of Deviation for the Same Three Numbers From “Statistical” Choose ”STDEVA” Enter 1,2, and 3 in the Small Window Below and Click “OK”

To obtain Different Values for Error Function Choose Engineering Function, Then ERF, the Value of the Error Function e.g. Between 0<E<100 is 1, and is Printed Below

To obtain Another Value for the Error Function Choose Engineering Function, then ERF, Choose the Value of the Error Function Between 0<E<.7. The Result Is.677

From the Math & Trig, the “Green Folder “ Calculate SIN of 1.6 Cos of PI SQRT of 9 LOG10 of 100 SUM of 1, 2, 3 EXP of 1 LOG of 2

“LOG” of is 6

Using Excel Formulas to Obtain Simple Statistics Enter 1,2, 3, 4, and 5 into column A1 to A5 Open Formulas Enter “=“, click on the sum symbol, then enter: (A1:A5) The formula should look like: “=SUM(A1:A5)” Click enter This gives the sum of numbers 1,2,3,4, and 5

Using Excel Formulas to Obtain Simple Statistics (Chi Squared) Use the arrow next to the AutoSum under formulas and calculate Sum, Average, Count Numbers and so on using the data that you have on columns A1 to A4 Obtain the CHITEST for: and Using CHITEST Function First create 2 columns containing the above 2 vectors Then Statistical->CHITEST, enter the Actual Range and then the Expected Value

Performing the FTEST To the left is the answer for the FTEST

Performing Covariance Analysis 5.2 to the left is the ans.

Pearson Correlation Pearson Corr. Is equal.997

Obtaining the Slope Between Two Columns The slope is: The slope is.382