Question

What is the square root of the sample size (unrounded)? What is the value of the third observation when squared? What is the square root of the sample size (to 2 digits)? What is the square root of the sample size rounded down to the nearest whole number? L What is the square root of the sample size rounded up to the nearest whole number? What is the sample variance (unrounded)? What is the sample standard deviation (unrounded)? What is the sample variance (to 2 decimals)?

Answer 1

Ane Giren Sample data is as belows- 90, 65, 79, 98, 56, 81, 94 60, 56, 82, 51 then nall @ Consider Square root of sample sive Cansounded) = dua din = 3.316624 790355 l-mewel = 3.31662 4790355 6 tee Third observation = 79. Square of Third obsecration - G9=6241 - Answer = 6241 © consider from part ② Square root of sample size to a digite = fn = rn = 3.16624790355 ř 3.32 Answer 23:32 @ from & part @ consider Square root of sample size rounded down to nearest Whole number in a 3.3166 F to 3. . T Answer -3 @ from past @, consider, Square root of sample si de rounded up to the nearest whole number n = 3.3166 ř 4 u. [ Answer=4 Answer=3

e now consider formula for Sample Variance, s- & ( x 0 On-1 90+65t. ps 73-54545454058 thers do n ella s x= 73.5454545455 from Ear & we get & 90- 73.5454545455) ²... + (1 73.5454545455) 11-1 27lo.7272727273 = 271.07272727273 & Under unrounder 8² - 271.07272727273 from part 6 consides clrounder Sample Standard dervation, sasa s=271.07272727273 = (6.464 2864 18571 71 inlound s=16.464286 418571 from past & le valdance up to 2 decimals we get a 271.07273 8 24.07 .)3=27107 | up to 2 decimale.