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QUESTION 7 Let X=c(38.9.61.2, 64.6, 48.4, 48.8.48.5. 73.3. 21.8. 63.4) and the command t.test(X,mu=50), then the...
1. Suppose you have created a vector x in R using the command x <-c(2, 7,...
1. Suppose you have created a vector x in R using the command x <-c(2, 7, 3, 1, 9) . Please find the results for the following commands (2) xlc(1,3,5)] (3) x [2:4] (5) length(x) (6) x [2: length(x)1 (7) x[1: length(x)-1] (8) max(x) (9) min(x) 2. Besides the vector x in question 1, suppose you have created another vector y in R using the command y <- c(1, 2, 3, 4, 5). Please find the results for the following...
Question 7 < > 50/2 pts 53 399 Details Let Y represent the profit (or loss)...
Question 7 < > 50/2 pts 53 399 Details Let Y represent the profit (or loss) for a certain company X years after 1965. Based on the data shown below, a statistician calculates a linear model Ý = 1.09X + 24.64. X у 3 4 5 6 7 8 9 22.7 18.85 20.3 16.75 16.6 15.15 16.2 Use the model to estimate the profit in 1969 Ý - II
7 of 8 E Save Course Activity: The Effects of Exercise on Mu Planning an Investigation...
7 of 8 E Save Course Activity: The Effects of Exercise on Mu Planning an Investigation Design your own experiment to test how your body changes during exercise. You may develop this new experiment to test the changes in heart rate, breathing rate, or any other parameter occurring during exercise. Part A First, formulate a question to answer through scientific investigation. Keep in mind that you should be able to answer your question with measurable data. Write your question here....
Could someone help me solve this question and show all work 7. Let X = (x1,.....
Could someone help me solve this question and show all work
7. Let X = (x1,.. . , x.) be a data set. Let sz-SD(X). Let Y = aX-b. (a) Show that Sy-SD(Y) = lal&z. (b) Show that Median(Y) = a . Median(X) + b. (c) Can you write the relation between Q1(y) and Q1 (X). What happens if a < 0.
7.Let A be ann x n real symmetric invertible matrix, let B Rt and C E R. Define f:R R by 2 a. Giv...
a through e is considered one question.
7.Let A be ann x n real symmetric invertible matrix, let B Rt and C E R. Define f:R R by 2 a. Give f (a) c. Give f"(x) d. Prove that if A is positive definite and u is the critical point of f, then f(u) < f(x) for all x E Rn where x Prove that if A is negative definite and u is the critical point of f, then f(u)...
Math 180 Exam 3 (Question 9) 9) (7 points) Let f(x)=x°-5x +4. Find all values of...
Math 180 Exam 3 (Question 9)
9) (7 points) Let f(x)=x°-5x +4. Find all values of c in the interval [ – 2, 3] that satisfy the conclusion of the Mean Value Theorem.
Question 7 3 pts Suppose that you have 50 observations on the variables Y and X....
Question 7 3 pts Suppose that you have 50 observations on the variables Y and X. If the sample correlation coefficient is 0.5 (r=0.5), and you want to test the null hypothesis that the true population correlation coefficient (rho) is equal to zero, then the test statistic associated with this null hypothesis is: o 5 04 O2 O 3 Question 8 3 pts Suppose you estimate a multiple regression model using OLS and the coefficient of determination is very high...
1. MINITAB QUESTION. Let X be a hypergeometric random variable with N= 50, M= 18, and...
1. MINITAB QUESTION. Let X be a hypergeometric random variable with N= 50, M= 18, and n = 30. (a) Cumulative probabilities are those of the form P(X 5x). Use MINITAB to print the cumulative probability table for X by following the instructions in Box A. Include the session window output with your assignment (b) Use the output from part (a) to calculate each of the following probabilities. Explain your reasoning. (1) P(X S9) (ii) P(X<9) (ii) P(X 2 7)...
- Question 7 For families with 5 children, let X be the number of children with...
- Question 7 For families with 5 children, let X be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable X7 P(2) 1 0.2964 2. 0.0796 3 0.2148 4 0.2636 5 0.0227 yes Ono Pictured below an scrambled order) are three histograms: One of them represents a population distribution The other two are sampling distributions of x-bar, one for sample size n-5, and one for sample size - 30...
Question 7 (Chapters 6-7) 2+2+2+3+2+4+4-19 mark Let 0メs c Rn and fix r' E S. For a R" consider the followi...
Question 7 (Chapters 6-7) 2+2+2+3+2+4+4-19 mark Let 0メs c Rn and fix r' E S. For a R" consider the following optimization problem: (Pa) min ar res and define the set K(S,) (aER z" is a solution of (Pa)) (e) If z' e int(S), prove that K(S, (0) (1) If possible, find a set S CR" and s* E S such that K(S,) (g) Let SB, 0.1] (rR l2l3 1) (the closed (, unit ball) and consider (1,0)7. Prove that...
1. Suppose you have created a vector x in R using the command x <-c(2, 7, 3, 1, 9) . Please find the results for the following commands (2) xlc(1,3,5)] (3) x [2:4] (5) length(x) (6) x [2: length(x)1 (7) x[1: length(x)-1] (8) max(x) (9) min(x) 2. Besides the vector x in question 1, suppose you have created another vector y in R using the command y <- c(1, 2, 3, 4, 5). Please find the results for the following...
Question 7 < > 50/2 pts 53 399 Details Let Y represent the profit (or loss) for a certain company X years after 1965. Based on the data shown below, a statistician calculates a linear model Ý = 1.09X + 24.64. X у 3 4 5 6 7 8 9 22.7 18.85 20.3 16.75 16.6 15.15 16.2 Use the model to estimate the profit in 1969 Ý - II
7 of 8 E Save Course Activity: The Effects of Exercise on Mu Planning an Investigation Design your own experiment to test how your body changes during exercise. You may develop this new experiment to test the changes in heart rate, breathing rate, or any other parameter occurring during exercise. Part A First, formulate a question to answer through scientific investigation. Keep in mind that you should be able to answer your question with measurable data. Write your question here....
Could someone help me solve this question and show all work
7. Let X = (x1,.. . , x.) be a data set. Let sz-SD(X). Let Y = aX-b. (a) Show that Sy-SD(Y) = lal&z. (b) Show that Median(Y) = a . Median(X) + b. (c) Can you write the relation between Q1(y) and Q1 (X). What happens if a < 0.
a through e is considered one question.
7.Let A be ann x n real symmetric invertible matrix, let B Rt and C E R. Define f:R R by 2 a. Give f (a) c. Give f"(x) d. Prove that if A is positive definite and u is the critical point of f, then f(u) < f(x) for all x E Rn where x Prove that if A is negative definite and u is the critical point of f, then f(u)...
Math 180 Exam 3 (Question 9)
9) (7 points) Let f(x)=x°-5x +4. Find all values of c in the interval [ – 2, 3] that satisfy the conclusion of the Mean Value Theorem.
Question 7 3 pts Suppose that you have 50 observations on the variables Y and X. If the sample correlation coefficient is 0.5 (r=0.5), and you want to test the null hypothesis that the true population correlation coefficient (rho) is equal to zero, then the test statistic associated with this null hypothesis is: o 5 04 O2 O 3 Question 8 3 pts Suppose you estimate a multiple regression model using OLS and the coefficient of determination is very high...
1. MINITAB QUESTION. Let X be a hypergeometric random variable with N= 50, M= 18, and n = 30. (a) Cumulative probabilities are those of the form P(X 5x). Use MINITAB to print the cumulative probability table for X by following the instructions in Box A. Include the session window output with your assignment (b) Use the output from part (a) to calculate each of the following probabilities. Explain your reasoning. (1) P(X S9) (ii) P(X<9) (ii) P(X 2 7)...
- Question 7 For families with 5 children, let X be the number of children with Genetic Condition B. Can the following table be a probability distribution for the random variable X7 P(2) 1 0.2964 2. 0.0796 3 0.2148 4 0.2636 5 0.0227 yes Ono Pictured below an scrambled order) are three histograms: One of them represents a population distribution The other two are sampling distributions of x-bar, one for sample size n-5, and one for sample size - 30...
Question 7 (Chapters 6-7) 2+2+2+3+2+4+4-19 mark Let 0メs c Rn and fix r' E S. For a R" consider the following optimization problem: (Pa) min ar res and define the set K(S,) (aER z" is a solution of (Pa)) (e) If z' e int(S), prove that K(S, (0) (1) If possible, find a set S CR" and s* E S such that K(S,) (g) Let SB, 0.1] (rR l2l3 1) (the closed (, unit ball) and consider (1,0)7. Prove that...
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