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Hello i need help with this question of multiple regression. In the area of STATISTICS. Please very explicit answers step by step. 5, Show that the studentized residual satisfies tn-p) n-p where hii is the input (1, 1) in the matrix H = X (XX)-X HINT: Obtain the distribution of ei. Suppose that Ei is independent of ?.
x 1 2 3 4 5. 6. 7 8 9 10y 22 39 70 126 227 408 735 1322 2380 4285The data above represents the number of hits on your web site over 10 months. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.
PLEASE PLEASE HELP!!! THIS IS A STATISTICS AND CODING PROBLEM AND I REALLY NEED HELP WITH THE ANSWERS!! Parental leave is often compensated to some degree, but the amount of compensation varies greatly. You read a research article that stated that, "across people of all incomes, 47% of leave-takers received full pay during their leave, 16% received partial pay, and 37% received no pay." After reading this, you wonder what the distribution of pay is for low-income households. Suppose you...
Statistics Question Help Please Exercise 2: In a study, scientists examine data on the "Sea temperature" (variable r, in celsius) and "Coral growth" (response y, in millimetres) over a several-years period in the Gulf of Mexico and the Caribbeans. The scatterplot in graph A displays the relationship between and y 262 26.7 263 264 26.5 26.0 Sea Tamperature Answer the following questions providing all the mathematical details. 1. Which regression line (in graphs A and B) fits well the scatterplot?...
This is statistics question. Please help me. A state's standardized physical education exam indicate that students average Mx = 10 push up s with a standard deviation of ox = 3. A school thinks that their students are better than this. They collect a random sample of n = 25 PE students and calculate a mean of ī= 11.5. A. What type of hypothesis test is this? B. What is the null and alternative hypothesis? C. What is the value...
Need help in statistics question. Please provide me answer ASAP. Consider a random sample from a beta distribution, X, BETA (2,1). Use the CLT to approximate P(Xs2.5 ) for n 16
Hello, please assist with the following: Please help with statistics and studies on what influences behaviors regarding smoking in summary.
Help with this statistics problem please. As part of a study at a large university, data were collected on n = 224 freshmen computer science (CS) majors in a particular year. The researchers were interested in modeling y, a student's grade point average (GPA) after three semesters, as a function of the following independent variables (recorded at the time the students enrolled in the university): x1 = average high school grade in mathematics (HSM) x2 = average high school grade...
Please help with this statistics problem. Will be sure to leave a review. Thank you in advance! 10. The probability that the noise level of a wide-band amplifier will exceed 2 dB is 0.15. Find the probabilities that among 9 such amplifiers the noise level of a. one will exceed 2 dB b. at most two will exceed 2 dB c. two or more will exceed 2 dB