Hello, I need help with this problem. I would like to know if I am doing this correctly. The last two parts of the problem are where I am stuck. But if I need to ask a second question I do not mind

Find profit or loss of 50 companies. Exxon Mobil ($22,440) ($5,543) Chevron AT&T ($5,176) Phillips 66 ($3,975) Cardinal Health ($3,696) Amerisource Bergen ($3,408.70) Disney ($2,864) ($1,279) Ford Motor Walgreens Boots Alliance $456 Albertsons $466.40 McKesson $900 FedEx $1,286 United Parcel Service $1,343 Centene $1,808 Kroger $2,585 Wells Fargo $3,301 Humana $3,367 Dell Technologies $3,520 State Farm Insurance $3,738.90 Costco Wholesale $4,002 Target $4,368 Anthem $4,572 MetLife $5,407 International Business Machines $5,590 General Electric $5,704 Lowe's $5,835 General Motors $6,427 Lockheed Martin $6,833 PepsiCo $7,120 CVS Health $7,179 Freddie Mac $7,326 Cinga $8,458 Comcast $10,534 Citigroup $11,047 Fannie Mae $11,805 Home Depot $12,866 Procter & Gamble $13,027 Walmart $13,510 Johnson & Johnson $14,714 UnitedHealth Group $15,403 Verizon Communications $17,801 Bank of America $17,894 Intel $20,899 Amazon $21,331 JPMorgan Chase $29,131 Facebook $29,146 $40,269 Alphabet Berkshire Hathaway $42,521 Microsoft $44,281 Apple $57,411 . Calculate the population parameters for all 50 companies profit or loss $456 + $466.40 + $900 + $1286 + $1343 + $1808 + $2585 + $3301 + $3367 + $3520 + $3738.90 + $4002 + $4368 + $4572 + $5407 + $5590 + $5704 + $5835 + $6427 + $6833 + $7120 + $7179 + $7326 + $8458 + $10534 + $11,047 + $11805 + $12866 + $13027 + $13510+ $14714 + $15403 + $17801 + $17894 + $20899 + $21331 + $29131 + $29146 + $40269 + $42521 + $44281 + $57411 = $525,182.30 [$22440, $5543, $5176, $3975, $3696, $3408.70, $2864, $1279] = $48,381.70 $525182.3 - $48381.7 = $476,800.60 Select a sample of 10 Walmart Amazon Apple CVS Health UnitedHealth Group Berkshire Hathaway McKesson Amerisource Bergen Alphabet Exxon Mobil $13,510 $21,331 $57,411 $7,179 $15,403 $42,521 $900 ($3,408.70) $40,269 ($22,440) Calculate the point estimators of the sample $1,350 + $21,331 + $57,441 + $7,179 + $15,403 + $45, 521 + $900 + $40, 269 = $189,394 ($3,408.70, $22,440) = $25,848.70 $189,394 - $25,848.70 = $163,545.30 - $163,545.3/10 = 16,354.53 Compare the results (Point estimators with Pop. Parameters) Use RandBetween command or Ch. 7 Random number table to select your samples