Question 9In testing a certain kind of missile, target accuracy is measured by the average distance X (from the target) at which the missile explodes.The distance X is measured in miles and the sampling distribution of X is given by:10 50 100P(X) 40 20 V104033Calculate the variance of this sampling distribution.a) O 27.6b) O 5138.7c) O 761.0d) O 253.7e) O 88.0f) O None of the aboveOuoction 10Review Later

E(X)=∑XP(X)E(X)=0×140+10×120+50×110+100×3340E(X)=0+1020+5010+330040E(X)=88

Answered: In testing a certain kind of missile,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Calculate the Variance using the following information: EXi = ΣΧ2 = n 32.3 413.8 18 Round your answer to the nearest hundredth. (Place your answer in the box below)
The following data set indicates the number of people per day who visited a website over arandom sample of eleven days. 559 566 574 579 579 579 581 583 584 590 592 Calculate the following, using the appropriate formulae and/or methods: 1. The variance. (The relevant formula must be used.) 2. What is the coefficient of variation for this data set?
A simple random sample of 100 observations was taken from a large population . The sample mean and the variance was determined to be 80 and 144 respectively . The standard error of the sample mean is A) 0.80 B) 1.44 C) 1.20 D) 14.4
If actual period demand varies from the forecast by more than 3MAD, this indicates: there is 3% chance that the forecast is wrong. there is a 98% chance that the forecast is wrong. there is a 97% chance that the forecast is wrong. there is a 3% chance that the forecast is correct Moving to the next question prevents changes to this answer:
For the data given below, fill in the blanks, using Formulas, Descriptive Statistics and Regression outputs. Mean of X2: 1) 28th Percentile of X1: 2) 3) Standard Deviation of X2: 4) Y XI X2 10 20 400 70 11 30 450 97 12 Median of X2: 10 350 54 5) Correlation Between X1 and Y: Minimum value of X2: 13 20 375 40 14 6) 30 400 65 15 9) bo : 25 400 94 16 7) b,. 30 450 53 17 8) 20 300 35 10) 11) 18 SSR: 10 300 75 19 SSE: 40 300 53 ST: F Statistics: 20 12) Regression output 20 350 64 13) 14) 21 30 450 68 22 Adjusted R Square: 10 400 96 23 15) MSE: 30 325 54 24 16) MSR: 25 17) Standard Error of Regression: 18) 19) 20) 26 Standard error of X2: 27 t-statistics of X2: 28 Fit the regression equation: 29 30 Sheet1
1. Compute the variance of the number of boats sold daily (show your calculation prices in a table) 2. Compute the standard deviation of the number of boats sills daily.
3.) A population has a mean of 300 and a variance of 80. If we get 160 samples from this population, what wili be the mean and standard deviation of the sampling distribution of sample mean? A.) Hg = 300 and og =0.53 B.) µg = 300 and og =0.71 C.) µg = 300 and og =6.32 D.) µg = 300 and og =80 %3D %3D
D, E, F only
We rolled the dice twenty times and wrote down the results: 6 336 356146 3 55 2 2 2 2 3 2 3 a) Detraine the arithmetic mean, mode and median of the sample. Determine the variance and standard deviation of the sample. c) Determine he range of the sample. A Determine the lower and upper quartiles of the sample. Draw box plot.
In order to use the defining formula for variance, we must calculate (x − x)2 for each data value in the data set 14, 18, 22, 26, 33. Use the values in the data set and the mean x = 22.6 to fill out the following table. x 14 18 22 26 33 x 22.6 22.6 22.6 22.6 22.6 x − x 14 − 22.6 = −8.6 18 − 22.6 = __________ 22 − 22.6 = −0.6 26 − 22.6 = _________ 33 − 22.6 = 10.4 (x − x)2 73.96 __________ 0.36 ________ 108.16
Calculate the coefficient of variation of a distribution with: 2*f = 110 and *² · f = 1235 n = 10, %3D %3D 1.596 75.496 15.2% 25.3%
In testing for the differences between the means of two independent populations where the variances in each population are unknown but assumed equal, the degrees of freedom are Seleccione una: OA. n- 1. O B. m + n2 - 1. OC. n- 2. OD. m + n2 - 2.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS