Question: Hello Expert,any help on this please? Can I have it on a spread sheet please and have the answers numbered accurately (ii, iii, and iv)

Hello Expert,any help on this please?

Can I have it on a spread sheet please and have the answers numbered accurately (ii, iii, and iv)

Qii) Based on the random sample), find out a point estimate of the proportion of the corporation employees with no training. iii) find out a point estimate of the mean salary of the corporation employees with no training. iv) Develop a 90% confidence interval for the mean salary of the corporation employees with no training. Here is the Data:

Salary Training RANDOM
46543.7 No 153
48336.1 Yes 905
56047.4 Yes 380
53480.7 Yes 144
58384.1 Yes 325
52235.1 Yes 349
49134.1 Yes 275
46201.7 No 573
58977.3 Yes 715
43364.5 No 184
51447 Yes 603
57304.5 Yes 153
47891.7 Yes 40
53804.2 Yes -13
52808.2 Yes 661
49325.2 Yes -78
55253.6 No 153
49484.2 No 65
45881.1 Yes 908
52286.4 No 916
55479.3 No 27
51384.1 Yes 443
48398.5 No 712
51260.3 No 242
52194.4 Yes -73
54923.1 Yes 129
46593.2 No 591
48672.4 No 710
52034.9 Yes 856
48889.5 No 546
51670.9 No 259
52403.8 Yes 285
53131 No 301
54595.8 Yes 233
56082.9 Yes 222
53069.3 Yes 169
54775.6 Yes 12
54772.4 Yes 490
55186.3 Yes 985
43271.9 Yes 39
46981.2 No 840
56301.4 No 886
46682.2 Yes -94
44019.9 Yes 708
51111.7 No 361
53983.7 Yes 711
47429 Yes 42
55009.1 No 5
48368.3 Yes 176
49755.7 Yes 796
52306.9 Yes 998
48209.1 Yes 890
50861.2 Yes 355
49472.2 No 40
51722.7 No 392
57610.8 Yes 615
53332.8 No 673
54333.7 Yes 443
55760.7 No 827
45886.7 Yes 688
53559.5 No 77
51290.6 Yes 777
53725.7 No 971
52081.5 Yes -75
53891.5 Yes 117
58371.5 No 744
54106.8 Yes 27
52170.1 Yes 424
50578.5 No 419
51377.3 No 469
56117.2 Yes 250
60038.6 Yes 993
42591.1 Yes -17
51738.9 No 459
55426.3 No 941
51753 Yes 654
55218.7 Yes 457
50792 No 625
61104.3 No 883
52504.1 Yes 614
51095.5 Yes 788
53963 Yes 532
51894.1 Yes 253
46042.1 No 987
57035.6 No 269
51579 Yes 486
52214.2 Yes 729
59078.1 Yes 110
51882.1 Yes 553
54820.5 Yes 114

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