4.Suppose that the random variable x has the following tableClassFreq.0-728-1510. Calculate the mean.. Calculate the mode.. Calculate the median.1. s² & s..C.V.range.. Sk.16-2324-3132-39832whairCsenDC

Step 1: Finding Midpoints of frequency distribution Interval Mid-point(m)…

Answered: 4.Suppose that the random variable x…

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, median, mode (if applicable), range, and standard deviation. Round to 2 places when possible Problem 1 500 502 498 369 510 500 457 a mond dw to sorimun Problem 2 12 9 11 15 24 30 14 10 Problem 3 it om olT o bu b bba toil anh 3.5 4.1 6.3 2.9 3 2.5 3.7 4. did dim d ablodond lo lm
Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to the nearest tenth. separated list. If an answer does not exist, enter DNE.) 48, 35, 8, 5, 11, 24, 27, 42 mean median mode(s)
1 Find the median for the following group of data items. 29, 26, 25, 24, 30, 27, 23, 25 The median is ______. (Type an integer or a decimal.)
The following table gives the extra travel time in hours for peak-period travelers in urban areas with more than 3 million people in a certain year. Urban Area Annual Hours ofDelay per Traveler Los Angeles–Long Beach–Santa Ana, Ca 70 San Francisco–Oakland, CA 58 Atlanta, GA 61 Washington (D.C.–VA–MD) 60 Dallas–Fort Worth–Arlington, TX 51 Houston, TX 52 Find the mean of the extra travel time in that year, in hours, for peak-period travelers in urban areas with more than 3 million people. (Round your answer to two decimal places.)__hrWhat is the standard deviation for these data? (Round your answer to two decimal places.)___hr
6. Find the mean, median, and mode for each set of data. a. 80 90 100 110 110 140 b. 10 90 100 110 110 210 c. How do your answers for parts (a) and (b) differ (or agree)? Why?
24 The following list is a set of data ordered from smallest to largest. All values are integers. 2 12 y y y 15 18 18 19 I. The median and the first quartile cannot be equal. I. The mode is 18. II. 2 is an outlier. Which of the following must be true? * I and III only I only O Il only O II only
A researcher wanted to find the effect of a special diet on systolic blood pressure. She selected a sample of seven adults and put them on this dietary plan for 3 months. The following table gives the systolic blood pressures (in mm Hg) of these seven adults before and after the com- pletion of this plan. Before After 210 193 180 186 195 186 220 223 231 220 199 183 224 233 Let u be the mean reduction in the systolic blood pressures due to this special dietary plan for the population of all adults. Construct a 95% confidence interval for ud. Assume that the population of paired differences is (approximately) normally distributed.
2. The following is the distribution of the percentage of students belonging to a certain minority groupin40 schools Percentage Frequenc 0- 4 5- 9 14 11 10-14 15-19 7 6. 20-24 a. Calculate the mean. b. Calculate the mode. c. Calculate the median. d. Calculate s² for this distribution (i) without coding; (ii) with coding. e .Calculate C.V. f. Calculate Sk.
Q.2 A random sample of marks scored by students during Mid Semester Exam are as follows. 12, 15, 18, 11, 16, 14, 9, 17, 18, 19, 11, 12, 15, 18, 11, 16, 14, 9, 17, 18, 19, 11, 12, 15, 18, 11, 16, 14, 9, a) Construct a table that gives the frequency distribution of this data. b) Construct a table that gives the relative frequency distribution of this data. c) Construct a frequency histogram of this data. d) Construct a relative frequency histogram of this data. e) Find the sample mean for this data set. ) Find the median of this data set. g) Find the mode of this data set. h) Find the sample standard deviation of this data set. i) Construct an ogive curve of this data.

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4.Suppose that the random variable x has the following table Class Freq. 0-7 2 8-15 10 . Calculate the mean. . Calculate the mode. . Calculate the median. 1. s² & s. .C.V. range. . Sk. 16-23 24-31 32-39 832 whair Csen DC