On the right side of the spreadsheet you will notice what is called a task pane add-in. The add-in for this file is the

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On the right side of the spreadsheet you will notice what is
called a task pane add-in. The add-in for this file is the XLMiner
Analysis ToolPak. If you are familiar with the Data Analysis Tool
in desktop Excel, the add-in works in the exact same way. NOTE: If
this your first time using the ToolPak you may need to give it
permission to run in your browser. If you would like to learn more
about a specific function, you can always visit the Microsoft
Office Support site and type the function into the search box at
the top-right of the page. Searching for "data analysis" will
return a guide for using the Data Analysis Tool / XLMiner Analysis
ToolPak. Use the XLMiner Analysis ToolPak to find descriptive
statistics for Sample 1 and Sample 2. Select "Descriptive
Statistics" in the ToolPak, place your cursor in the "Input Range"
box, and then select the cell range A1 to B16 in the sheet. Next,
place your cursor in the Output Range box and then click cell D1
(or just type D1). Finally make sure "Grouped By Columns" is
selected and all other check-boxes are selected. Click OK. Your
descriptive statistics should now fill the shaded region of D1:G18.
Use your output to fill in the blanks below.
Sample 1 Mean __ ( 2 decimals)
Sample 1 Standard Deviation: fill in the blank 3 (2
decimals)
Sample 2 Mean: fill in the blank 4 (2 decimals)
Sample 2 Standard Deviation: fill in the blank 5 (2
decimals)
Use a combination of native Excel functions, constructed
formulas, and the XLMiner ToolPak to find covariance and
correlation.
In cell J3, find the covariance between Sample 1 and Sample 2
using the COVARIANCE.S function.
fill in the blank 6 (2 decimals)
In cell J5, find the correlation between Sample 1 and Sample 2
using the CORREL function.
fill in the blank 7 (2 decimals)
In cell J7, find the correlation between Sample 1 and Sample 2
algebraically, cov/(sx*sy), by constructing a formula using other
cells that are necessary for the calculation.
fill in the blank 8 (2 decimals)
Use the XLMiner Analysis ToolPak to find the correlation between
Sample 1 and Sample 2. Place your output in cell I10.
fill in the blank 9 (2 decimals)
Calculate z-scores using a mix of relative and absolute cell
references. In cell A22, insert the formula
=ROUND((A2-$E$3)/$E$7,2). Next grab the lower-right corner of A22
and drag down to fill in the remaining green cells of A23 to A36.
Note how the formula changes by looking in Column D. Changing a
cell from a relative reference such as E3 to an absolute reference
such as $E$3 means that cell remains "fixed" as you drag. Therefore
the formula you entered into A22 takes each data observation such
as A2, A3, A4..., subtracts $E$3 and then divides by $E$7. Since
the last two cells have absolute references they will not change as
you drag. The ROUND function simply rounds the z-score to two
digits.
Now find the z-scores for Sample 2 using the same method you
learned above by editing the formula to refer to the correct cells
for Sample 2. Make sure each z-score is rounded to 2 places.