Mathematics, 18.11.2019 20:31 solomander4
Suppose a certain type of fertilizer has an expected yield per acre of μ1 with variance σ2, whereas the expected yield for a second type of fertilizer is μ2 with the same variance σ2. 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 σ2.
Answers: 3
Mathematics, 21.06.2019 17:00, uuuugggghhhh2463
At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%
Answers: 1
Mathematics, 21.06.2019 17:30, sarinawhitaker
25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.
Answers: 1
Mathematics, 21.06.2019 17:30, alexandroperez13
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 2
Mathematics, 21.06.2019 20:00, offensiveneedle
1: 4 if the wew 35 surfboards at the beach how many were short boards?
Answers: 1
Suppose a certain type of fertilizer has an expected yield per acre of μ1 with variance σ2, whereas...
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