Suppose that \( \chi^2 \) follows a chi-square distribution with 22 degrees of freedom. Use the ALEKS calculator to answer the following.(a) Compute \( P(\chi^2 \leq 19) \). Round your answer to at least three decimal places.\[ P(\chi^2 \leq 19) = \boxed{\text{ }} \](b) Find \( k \) such that \( P(\chi^2 > k) = 0.05 \). Round your answer to at least two decimal places.\[ k = \boxed{\text{ }} \]

Answered: Suppose that X follows a chi-square…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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This is for question F
2
The accompanying data are the number of wins and the earned run averages (mean number of earned runs allowed per nine innings pitched) for eight baseball pitchers in a recent season. Find the equation of the regression line. Then construct a scatter plot of the data and draw the regression line. Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. If the x-value is not meaningful to predict the value of y, explain why not. (a) x = 5 wins E Click the icon to view the table of numbers of wins and earned run average. (b) x = 10 wins (c) x = 21 wins (d) x = 15 wins - X Wins and ERA The equation of the regression line is y = x + (Round to two decimal places as needed.) Earned run Wins, x average, y 20 2.63 18 3.36 17 2.63 16 3.76 14 3.89 12 4.27 11 3.83 9 5.16
Assume that the entire sample has 8 positive observations and 4 negatives observations. Variable X1: at the left branch has 9 positive observations and 3 negatives observations;at the right branch has 8 positive observations and 8 negative observations. What is the information gain or reduction in uncertainty of X1 using the Gini index? (round to two decimal spaces)
If X~B(n=1000; P=.2) compute the following: SD(X) = 0x is : 8.21 9.45 12.65 16.46
I regress Y on X and get the following information. Standard errors are in parentheses. Calculate the t-statistic on my coefficient (beta-hat), rounding to the nearest hundredth. Y-hat-469.31+73.626*X (159.836) (59.273)
The formula for Pearson's Index of Skewness is
b. The following are the time (in months) to relapse for patients who had acute leukemia when being treated with a particular drug: 10, 7,32', 23, 22, 6, 16, 34", 32", 25", 11", 20", 19", 6, 17", 35", 6, 13, 9", 6", 10" Obtain the Kaplan-Meier estimate of the survivor function.
A chi‑square statistic (?2) from a 4×3 two-way (contingency) table is 15.15661. Determine the upper and lower limits for the range of ?-values with this chi-square table. Please use the number of decimal places shown in the table. If the value of ?2 is too large to be in the table, use 0 for the lower limit. If the value of ?2 is too small to be in the table, use 1 for the upper limit. lower limit: upper limit:
From the data points (15, 24), (18, 37), (22, 25), determine f (16) using Newton's divided difference interpolation. Round-off to 3 decimal places. asap
Suppose P(A) = 0.59, P(B) = 0.28, and P(An B)= 0.01. What is P(Aª|B)? [Give your numeric response to at least 3 decimal places. Give only the number, and no extra characters or symbols.]
Harper collected data on students who make appointments to see their advisor to see how many failed to show up. The student records were divided into two groups: male (group 1) and female (group 2). A 93% confidnece interval for pi – P2 was found to be as follows: (0.03, 0.09) Interpret the endpoints of this interval in the context of this problem. Do not use the word "difference" in your answer.

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