3. Compare the median and the mean and state what this indicatesabout the distribution. Comment on how the answer to this ques-tion relates to your frequency polygon and histogram.4. Explain the logic behind the equations for the mean and standarddeviation for grouped data, starting from the original equationsfor a simple list of data values. Dataset 1Groups300to307307 to314314321321328328335335 to 342342349349 to 356222222totototoFrequencies1015418486431813

CI Freq 300-307 10 307-314 15 314-321 41 321-328 84 328-335 86 335-342 43 342-349 18…

Answered: . Compare the median and the mean and…

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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One graph in the figure represents a normal distribution with mean u= 15 and standard deviation o = 2. The other graph represents a normal distribution with mean u=11 and standard deviation o = 2. Determine which graph is which and explain how you know. A B 11 15 ... Choose the correct answer below. O A. Graph A has a mean of u = 15 and graph B has a mean of u = 11 because a larger mean shifts the graph to the right. O B. Graph A has a mean of u = 11 and graph B has a mean of u= 15 because a larger mean shifts the graph to the left. O C. Graph A has a mean of u = 11 and graph B has a mean of u = 15 because a larger mean shifts the graph to the right. O D. Graph A has a mean of u = 15 and graph B has a mean of u = 11 because a larger mean shifts the graph to the left.
Use any of the formulas given. Please show your solution. 30. Compute the median, rounded off to two decimal places.A. 29.7 B. 35.70 C. 36.23 D. 37.50
Complete the following table From the frequency distribution, find the mean. Interval Midpoint x Frequency F Product xf 41.5-48.5 11 48.5-55.5 15 55.5-62.5 19 62.5-69.5 25 69.5-76.5 3 76.5-83.5 2
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For the histogram on the right determine whether the mean is greater than, less than, or approximately equal to the median. Justify your answer. Which of the following is correct? O A. x> M because the histogram is skewed right. OC. x M because the histogram is symmetric OF. X
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Corporate Farms. The U.S. Census Bureau estimates the mean value of the land and buildings per corporate farm. Those estimates are published in the Census of Agriculture. Suppose that an estimate, x, is obtained and that the margin of error is $1000. Does this result imply that the true mean, μ, is within $1000 of the estimate? Explain your answer.
14. The range is defined as the: a. variability of the data with reference to extreme scores. b. the variability of the data with reference to the mean. c. variability of the data in terms of how many subjects achieved each value of the variable. d. SS/n
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Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.5 degrees. Low Temperature (o F) 40 - 44 45 - 49 50 - 54 55 - 59 60 – 64 D Frequency 2 9. ... The mean of the frequency distribution is degrees. (Round to the nearest tenth as needed.) Which of the following best describes the relationship between the computed mean and the actual mean? O A. The computed mean is close to the actual mean because the difference between the means is more than 5% of the actual mean. B. The computed mean is not close to the actual mean because the difference between the means is less than 5% of the actual mean. C. The computed mean is not close to the actual mean because the difference between the means is more than 5% of the actual mean. D. The computed mean is close to the actual mean because the difference between the means is less than 5% of the actual mean.
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Recall the histogram of annual maximum wind speed. Frequency оооооо 25 to 30 30 to <35 35 to 40 A histogram with a single peak is unimodal. A histogram with two peaks is bimodal. A histogram with more than two peaks is multimodal. Look over the histogram again and notice the number of peaks, or modes, in the distribution. Indicate below the class interval(s) where a peak occurs. (Select all that apply.) 40 to 45 45 to < 50 50 to < 55 55 to < 60 14 12 10 60 to < 65 co 4 25 30 35 40 45 50 55 60 65 annual maximum wind speed

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CI	Freq
300-307	10
307-314	15
314-321	41
321-328	84
328-335	86
335-342	43
342-349	18
349-356	13

. Compare the median and the mean and sta about the distribution. Comment on how th tion relates to your frequency polygon and