Mathematics, 23.04.2020 22:20 girlieredc
The Federal Pell Grant Program provides need-based grants to low-income undergraduate and certain postbaccalaureate students to promote access to postsecondary education. According to the National Postsecondary Student Aid Study conducted by the U. S. Department of Education in 2008, the average Pell grant award for 2007-2008 was $2,600. Assume that the standard deviation in Pell grant awards was $500.If we randomly sample 36 Pell grant recipients and record the mean Pell grant award for the sample, then repeat the sampling process many, many times, what is the mean and standard deviation of the sample means?
Answers: 2
Mathematics, 21.06.2019 22:30
What fraction is equivalent to 0.46464646ยทยทยท a. 46โ999 b. 46โ100 c. 46โ99 d. 23โ50
Answers: 1
Mathematics, 22.06.2019 04:00
1.what effect does replacing x with xโ4 have on the graph for the function f(x) ? f(x)=|xโ6|+2 the graph is shifted 4 units up. the graph is shifted 4 units down. the graph is shifted 4 units left. the graph is shifted 4 units right. 2.what are the coordinates of the hole in the graph of the function f(x) ? f(x)=x^2+3xโ28/x+7 3.which graph represents the function?
Answers: 2
Mathematics, 22.06.2019 04:30
Consider the linear model for a two-stage nested design with b nested in a as given below. yijk=\small \mu + \small \taui + \small \betaj(i) + \small \varepsilon(ij)k , for i=1,; j= ; k=1, assumption: \small \varepsilon(ij)k ~ iid n (0, \small \sigma2) ; \small \taui ~ iid n(0, \small \sigmat2 ); \tiny \sum_{j=1}^{b} \small \betaj(i) =0; \small \varepsilon(ij)k and \small \taui are independent. using only the given information, derive the least square estimator of \small \betaj(i) using the appropriate constraints (sum to zero constraints) and derive e(msb(a) ).
Answers: 2
Mathematics, 22.06.2019 04:30
Which expression represent a number that is one fourth as great as 10-2a. (10-2)+4b. (10-2)รท4c. (10-2)-4d. (10-2)ร4
Answers: 1
The Federal Pell Grant Program provides need-based grants to low-income undergraduate and certain po...
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