問題詳情
1. Let
= 3600.7 and S2 = 14655 be the sample mean and variance of the weights of nineteen neonates in grams. Supposethat there was a typewriting error in the cighth observation, the accurate weight of eighth neonate, 4320 was recorded as4230. After we correct it, what are the accurate sample mean and variance
(A) Sample mean: 3605.44, Variance: 20274.32
(B) Sample mea an: 3605.44, Varianc ce: 21175.7
(C) Sample mean: 3609.23, Variance: 22437.62
(D) Sample mean: 3609.23, Variance: 23416.3
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增