Find the mean, variance, and standard deviation for f(x). Round the standard deviation to three decimal places.192if x24f(x) = .х0 otherwiseO A. 6; 12; 3.464O B. 48; 2,256; 47.497O C. 6; 48; 6.928O D. 96; 9,024; 94.995Click to select your answer.

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Answered: Find the mean, variance, and standard…

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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Find the mean for the data items in the given frequency distribution. Score, x Frequency, f 3 4. 10 7 7. 5. 3 BAPHY The mean is (Round to 3 decimal places as needed.)
r= 0.5, Exy = 120, Ex² = 90, o, = 8 where x and y are deviation from arithmetic average. Find the numher of items.
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
Player His Average Points Other's Average Points Other's Standard Deviation Fredo 153 163 15 Karl 163 183 35 Table 2.57 a. Which player had the higher average points when compared to the other players on his team? Fredo O Karl b. Use Table 2.57 to find the value that is three standard deviations above the mean for each team. Enter the exact answers. Fredo's team: Number Karl's team: Number C. Use Table 2.57 to find the value that is three standard deviations below the mean for each team. Enter the exact answers. Fredo's team: Number Karl's team: Number Next Back Question Menu- Quit & Save Submit Assignment 502 PM 200
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P(-2.4<Z<1.5) = ?
Compute the SS (sum of squared deviation) for Test Scores. Round your answer to the nearest 2 decimal places. Subjects Cups of Coffee (x) Test Scores (y) A 4 91 B 2 96 C 1 75 D 9 75 E 8 68
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Assume that the readings on the thermometers are normally distributed with a mean of 0° and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to P34, the 84th percentile. This is the temperature reading separating the bottom 84% from the top 16%. Click to view page 1 of the table. Click to view page 2 of the table. Which graph represents P ? Choose the correct graph below. 84 A. В. OC. D. Ay X The temperature for P84 is approximately (Round to two decimal places as needed.)
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Find the mean, variance, and standard deviation for f(x). Round the standard deviation to three decimal places. 192 if x24 f(x) = . х 0 otherwise O A. 6; 12; 3.464 O B. 48; 2,256; 47.497 O C. 6; 48; 6.928 O D. 96; 9,024; 94.995 Click to select your answer.