Suppose that the Ffollows an Fstatdistribution with df , =5 and df,=4, what istheboundaryvalue of FwhereP(F

F-distribution is continuous distribution which is skewed to right. The F-distribution is defined by…

Answered: Suppose that the F stat follows an F…

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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Cae following table relates to the profits and losses of 100 firms. Calculate the average profits and the standard deviation of profits. Number of Firms Profits 5000 to 6000 4000 to 5000 12 3000 to 4000 30 2000 to 3000 10 1000 to 2000 0 to 1000 -1000 to 6 -2000 to 1000 -3000 to 2000 9 4000 to 3000 7
b. Math Score(x) 4 7 10 13 16 Frequency(f) 4
The amount of time a service technician needs to change the oil in a car is uniformly distributed between 11 and 21 minutes. Let X=the time needed to change the oil on a car. D. find P (x>19). E. Find the 50th percentile
A t distribution with 3 degrees of freedom is graphed below. The region under the curve to the right of t0.945 is shaded. The area of this region is 0.945 . 0.1 0.2 0.3 0.4 =Area0.945 t0.945 Find the value of t0.945 . Round your answer to three decimal places.
The lengths of a professor's classes has a continuous uniform distribution between 49.2 min and 55.5 min. One class is randomly selected.If P(x > c) = 0.438 , find c.
only need answers for 1 and 2 Identify the region under the t-distribution corresponding to the t-value
The lengths of a professor's classes has a continuous uniform distribution between 49.2 min and 55.5 min. One class is randomly selected.If P(x > c) = 0.502 , find c.
%3D For the relation Y= 12-4 X between X and Y; if standard deviation of X, o, =5 then, variance of Y will be Select one: O 100 O 400 O 20 O 200
Below are some frequency distribution data that were collected from a recent experiment that looks at musicians and their ability to improvise. Let’s say for the sake of this example that these are continuous data. X is the number of years playing piano, and f is the frequency reported. X f7 66 55 54 53 12 21 00 2 a. Compute the median number of years that participants reported playing the piano without using a formula.
The following histogram represent a sample of street vendors that was obtained from a street vendors' association meeting in the Johannesburg CBD in December of last year. December profits (R'000) Time left 0:53:38 12 15 12 9 Number of street vendors 6 3 3 14 11 10 2 2-<5 5-8 8-11 11-14 14-<17 Profit (R'000) The 17 vendors who made the least profit earned less than...? O a. R5 000 O b. R8 000 C. R11 000 O d. R14 000 O e. None of the above
A man surveyed a sample of 36 high school students and asked, "How many days in the past week have you cons umed an alcoholic bcveragu? Tre results of the survey are shown to the right. Use these results to answer parts (a) through (f). 1 1 1 5 1 1 1 1 1 2 2 3 2 (a) Is this data discrete or continuous? Discrete Continuous (b) Oraw a histogram of thhe data and descrine its shape. Choose the histog'Am below tha orrectiy depicts The givei da.a OD. B. O A. 20- 15 20- 15- 10- 15- 10- 012345 Num of dnnks 012 145 Numter of Dne 012345 Nmbecaf Drink Number of Dnnks Next Statcrunch O 90 7:24
Let X-T(4) and Y~ x2 (4). The following plot depicts the cumulative distribution functions of X and Y. We don't know which is which. The horizontal lines have values 25% and 75%. We denote by q1 the x-coordinate correponding to the red point and by q2 the x-coordinate corresponding to the blue point. Which of the following statements are true? 1.00 - 0.75 0.50 - 0.25+ 0.00 - The answer is : The cdf of X corresponds to the red curve while the one of Y corresponds to the blue curve. Can you explain why? Density

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Suppose that the F stat follows an F distribution with df , =5 and df =4, what is %3D the boundary value of F where P(F