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Homework for statistics, Exercises of Statistics

Stats homework, pearson solving

Typology: Exercises

2023/2024

Uploaded on 01/10/2025

lily-sarina
lily-sarina 🇨🇦

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bg1
Sample mean = 340
T-distribution = 2.306
x0= 615
xi
yi
i
𝑦
yi i
𝑦
(yi i)2
𝑦
409
19035
31,097.945
-12062.945
145,514,642.073025
459
28805
32,706.645
-4901.645
24,026,123.706025
689
43607
40,065.865
-1458.865
2,128,287.088225
495
31274
33,851.149
-2,577.149
6,641,696.968201
488
36780
33,626.051
3,153.949
9,947,394.294601
384
36066
30,302.555
5,763.445
33,217,298.268025
50
20619
19,608.919
1,010.081
1,020,263.626561
71
12257
20,281.213
-8,024.213
64,387,994.269369
187
30830
23,997.837
6,832.163
46,678,451.258569
168
29658
23,385.571
6,272.429
39,343,365.560041
(yi i)2
Σ 𝑦
372,905,517.11264
( )2
Σ𝑥
11,560,000
2
Σ𝑥
1,554,042
se
6,827.385271030191
E
17,881.63841

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xi yi

 - Sample mean = - T-distribution = 2. - x 0 = - − 𝑦 𝑦i yi − 𝑦i (yi i) - 409 19035 31,097.945 -12062.945 145,514,642. - 459 28805 32,706.645 -4901.645 24,026,123. - 689 43607 40,065.865 -1458.865 2,128,287. - 495 31274 33,851.149 -2,577.149 6,641,696. - 488 36780 33,626.051 3,153.949 9,947,394. - 384 36066 30,302.555 5,763.445 33,217,298. - 50 20619 19,608.919 1,010.081 1,020,263. - 71 12257 20,281.213 -8,024.213 64,387,994. - 187 30830 23,997.837 6,832.163 46,678,451. - 168 29658 23,385.571 6,272.429 39,343,365. 
  • Σ (y i − 𝑦i )^2 372,905,517.
    • ( Σ𝑥) 2 11,560,
      • Σ𝑥^2 1,554,
        • se 6,827.
          • E 17,881.