5. The total time (in hours) that a sample of 40 students studied for a statistics examination areshown below:53 56 6072 71 747985 86 87 87 877879 81 81iv. Estimate the medianv. Estimate the modevi. Estimate the geometric and harmonic meanvii. Estimate the inter-quartile rangeviii. Estimate the coefficient of skewness and comment on the distribution of the data62 65 6574 75 756776 7682 83 8488 9069 71 7277 7784 8492 94 96

Given observations are: 53, 72, 78, 85, 56, 71, 79, 86, 60, 74, 79, 87, 62, 74, 81, 87, 65, 75, 81,…

Answered: 5. The total time (in hours) that a…

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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Q#1. For the following data set construct a frequency distribution and calculate i) ii) Median Mode 138, 104, 150, 132, 144, 125, 149, 157, 146, 158, 140, 147, 136, 148, 152, 144, 168, 126, 138, 176, 163, 119, 154, 165, 146, 173, 142, 147, 135, 153, 140, 135, 161, 145, 135, 142, 150, 156, 145, 128, 130, 131, 145, 152, 161
For the following data 57 62 45 87 52 77 80 66 67 71 82 90 92 43 65 56 48 91 82 68 74 80 83 46 62 72 81 52 91 43 58 68 81 90 70 66 71 74 60 55 1.Classify the following data (Make 6 classes) with its frequencies 2. find the mean and median and range of this data 3. draw the histogram and polygon.
Calculate following?
Refer to the data below. 38 42 26 22 30 42 36 42 1)The mean is 2)The range is: 3)The difference between the mode and median is: 4)Which measure of dispersion in a data set is calculated using all the values in the set?
A rental car agency has 15 rental cars on its lot. The following table shows the mileage of each car. Use the data to complete parts a through d below. 19,138 11,478 18,237 10,992 8,596 6,812 14,026 6,355 4,127 11,801 4,132 16,252 15,812 13,923 19,122 a. Calculate the mean for this population. μ= (Round to one decimal place as needed.) b. Calculate the sampling error using the 5 cars in the first row as your sample. The sampling error for the first 5 cars is (Round to one decimal place as needed.) c. Calculate the sampling error using the 10 cars in the first two rows as your sample. The sampling error for the first 10 cars is (Round to one decimal place as needed.) d. How does increasing the sample size affect the sampling error?
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. D there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 82 53 91 88 72 68 85 87 90 91 88 70 92 77 63 94 82 86 64 Find the means. The mean for males is 71.9 beats per minute and the mean for females is 80.6 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Find the medians. The median for males is 71 beats per minute and the median for females is 85 beats per minute. (Type integers or decimals rounded to one decimal place as needed.) Compare the results. Choose the correct answer below. OA. The mean and median appear to be roughly the same for both genders. OB. The mean and the median for males are both lower than the mean and the median for females. OC. The mean and the median for females are both lower than the mean and the median for males.…
Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of the two samples and then compare the two sets of results. Does there appear to be a difference? Male: Female: 86 71 54 84 57 95 53 89 53 63 59 72 68 85 87 90 91 88 70 92 77 63 82 53 91 88 94 82 86 64 Find the means. The mean for males is ☐ beats per minute and the mean for females is (Type integers or decimals rounded to one decimal place as needed.) beats per minute.
Answer all questions
The following data give the number of keyboards assembled at the Twentieth Century Electronics Company for a sample of 25 days. Calculate the following: 1st Decile, 28th Percentile, 7th Decile, and 85th Percentile.
The following frequency table gives the masses of 12 students in a statistics class. Mass (kg) Number of students 55 57 59 61 63 1 4 (a) Draw a frequency bar chart for the data.(Hypothetical) (b) Find, (i) the mode, (ii) the median. (c) Find the mean mass.
5. Draw a histogram for the following data. Weekly wages in Rupees Number of workers 10-15 7 15-20 19 20-25 27 25-30 15 30-40 12 40–60 12 60–80 8.
What is the appropriate measure of center for these data? O A. Mode OB. Range OC. Mean O D. Median O E. Skew 1525 54 1 5 2 6 5 4 3 19 8 7 6 4 4345656 7 6 9

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