Four distributions, labeled (a), (b), (c), and (d) are represented below by their histograms. Each distribution is made of 9 measurements. Without performingany calculations, order their respective means ji,, yr Har and µ,.Enter the four subscripts appropriately below.(a)(b)1.7S 9 10 11 12 13 141 2 39 10 11 12 13 14(c)(d)159 10 11 12 13 142 36.9 10 11 12 13 142Oi > Ox > Ox > Oen

Answered: Image /qna-images/answer/e4fded61-aaa1-4409-963c-eb5b61615ac6.jpg

Answered: Four distributions, labeled (a), (b),…

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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An aptitude test was taken by 800 students at the Fairfield Middle School. The box-and-whiskers plot below shows the distribution of their scores. 40 50 60 70 80 90 100 (a) How many students scored above 88? students (b) How many students scored below 72? students (c) How many scores are represented in each quartile? Scores (d) What percent of the students had scores of at least 54? %
A researcher is interested in finding the mean and median lengths of all walleye in a lake. A Sample of 300 walleye was caught and their lengths were recorded. The sample mean and median lengths were found to be 28 inches and 33 inches. a. What is the experimental unit in this experiment? b. What are the population and sample in this experiment? c. What are the parameters considered in this experiment? d. What are the statistics in this experiment?
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The table below shows the frequency distribution of the rainfall on 52 consecutive Tuesdays in a certain city. Use the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal? Class 0-0.19 0.20 -0.39 0.40 -0.59 0.60-0.79 0.80 -0.99 1.00-1.19 1.20-1.39 Frequency 22 13 4 1 5 6 1 Choose the correct histogram below. OA. OB. O C. 30- 20- 10- 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 30- 20- 10- 0+ 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 30- 20- 10- 0+ 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Q Q Q Do the data appear to have a distribution that is approximately normal? O A. No, it is approximately uniform. OB. No, it is not symmetric. OC. No, it has no obvious maximum. O D. Yes, it is approximately normal.
Ms. Lorraine Finch, a fifth grade teacher has a large class of 50 students for the 2018 - 2019 school year. After giving a reading comprehension test, Ms. Finch decided to do a brief statistical analysis. A frequency distribution of the results is presented below. a. Fill in the missing pa rts of Ms. Finch’s frequency distribution. Do any necessary scrap work in the space next to the table. b. Construct a histogram of the frequency distribution. c Is the distribution of test scores normal? Explain. Score Frequency Relative Frequency 84 2 0.04 85 5 0.1 86 0.08 87 8 0.16 88 10 89 90 5 0.1 91 4 0.08 92 3 0.06

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