Mathematics, 21.11.2019 06:31, veheca
Suppose a certain type of fertilizer has an expected yield per acre of ΞΌ1 with variance Ο2, whereas the expected yield for a second type of fertilizer is ΞΌ2 with the same variance Ο2. let s12 and s22 denote the sample variances of yields based on sample sizes n1 and n2, respectively, of the two fertilizers. show that the pooled (combined) estimator below is an unbiased estimator of Ο2. sigma hat2 = (n1 β 1)s12 + (n2 β 1)s22 n1 + n2 β 2 e (n1 β 1)s12 + (n2 β 1)s22 n1 + n2 β 2 = n1 β 1 n1 + n2 β 2 e + n2 β 1 n1 + n2 β 2 e = n1 β 1 n1 + n2 β 2 + n2 β 1 n1 + n2 β 2 = Ο2
Answers: 3
Mathematics, 21.06.2019 18:00, lollipopboo
1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.
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Mathematics, 21.06.2019 18:00, hannahchristine457
Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.
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Mathematics, 21.06.2019 20:00, danielburke24
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Mathematics, 21.06.2019 22:10, goodygoodgirlygirl
Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft
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Suppose a certain type of fertilizer has an expected yield per acre of ΞΌ1 with variance Ο2, whereas...
History, 20.11.2019 20:31
History, 20.11.2019 20:31
History, 20.11.2019 20:31
Mathematics, 20.11.2019 20:31
Mathematics, 20.11.2019 20:31