Standard Deviation

Copy and Paste the downloaded data for one stock here:
Date Open High Low Close Adj Close Volume
1/22/19 97.150002 98.43 96.779999 97.489998 97.489998 8063200 Mean (Average): 97.1061902857
1/23/19 98.870003 99.349998 97.529999 98.709999 98.709999 8345800 Standard Deviation: 1.9628098393
1/24/19 98.199997 98.459999 96.43 98.360001 98.360001 7609700
1/25/19 98.75 98.910004 96.75 96.940002 96.940002 7218200
1/28/19 96.529999 97.07 96.080002 97.059998 97.059998 5875800
1/29/19 96.769997 97.160004 96.510002 96.709999 96.709999 5253400
1/30/19 96.68 96.800003 94.260002 94.800003 94.800003 11849300
1/31/19 94.629997 96.870003 94.629997 95.830002 95.830002 14723000
2/1/19 95.919998 96 93.110001 93.860001 93.860001 12591900
2/4/19 93.860001 94.769997 93.349998 94.769997 94.769997 7268600
2/5/19 95.25 95.940002 95.019997 95.599998 95.599998 6099900
2/6/19 95.43 96.010002 95.220001 95.639999 95.639999 4264900
2/7/19 95.110001 96.82 95 96.730003 96.730003 7010100
2/8/19 96.339996 96.690002 95.139999 95.580002 95.580002 6169200
2/11/19 95.650002 96.349998 95.639999 96.199997 96.199997 5542800
2/12/19 96.82 97.169998 96.5 96.970001 96.970001 5881300
2/13/19 97.300003 98 97.089996 97.940002 97.940002 5458500
2/14/19 97.68 99.199997 97.019997 98.519997 98.519997 7200800
2/15/19 98.980003 100 98.860001 99.989998 99.989998 9481000
2/19/19 102.379997 104.18 102.07 102.199997 102.199997 20685100
2/20/19 101.809998 102.339897 98.650002 99.330002 99.330002 12292228

Question : Calculate the mean and standard deviation of the daily stock price for TWO of your required stock purchases for the last year. To do this, follow these steps: 1. Go to 2. Type in the ticker symbol for one of the stock that you purchased in the search bar at the top of the Yahoo! Finance page. Click the search button. For example, if you purchased Walmart stock, you would type in “WMT.” 3. Once you have searched on the company, using the ticker symbol, you can select the “Historical Data” tab: 4. Then select the “Download Data” link: 5. A .csv file will start downloading. Open that file to view the data. You should copy and paste this data into the tab labeled “Module 3, Questions 4 – 6,” in this workbook. An example of the data is included below. You will want to make sure you have a full year’s worth of daily stock prices.

6. Calculate the mean and standard deviation for the Adj Close price. The formula for the mean is =AVERAGE() and the formula for the standard deviation is =STDEV.S() You should type these formulas into the appropriate cells and highlight the data for which you want to generate these statistics. The cells that you highlight will show between the parentheses. You can practice calculating these statistics using the sample data in this worksheet and the formulas that are in the yellow highlighted cells to the left.

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