The following is a set of data from a sample of n = 7.4 8 16 3 1 16 20(a) Compute the first quartile (Q₁), the third quartile (Q3), and the interquartile range.(b) List the five-number summary.(c) Construct a boxplot and describe the shape.(a) The first quartile isThe third quartile isThe interquartile range is(b) The five-number summary is(Use ascending order.)(c) Which of the following is the correct boxplot?A.5 10 15 20What is the shape of the data?SymmetricRight-skewedLeft-skewedB.05101520KNext questionO C.05101520

Given data is 4,8,16,3,1,16,20Arrange the data in ascending order1,3,4,8,16,16,20sample size(n)=7

Answered: The following is a set of data from 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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The following is a set of data from a sample of n=6. 7 4 9 7 3 16 a. Compute the first quartile (Q1), the third quartile (Q3), and the interquartile range. b. List the five-number summary. c. Construct a boxplot and describe the shape.
a. The following data shows the results for 20 students in one of the post graduate unit. 42 66 67 71 78 62 61 76 71 67 61 64 61 54 83 63 68 69 81 53 Based on given information compute, (1)Mean, median and mode. (2)Compute 1st and 3rd quartiles. (3)Compute and interpret 90th percentile. b. Explain what is inferential statistics with relevant examples.
Sdved Scores on an accounting exam ranged from 44 to 91, with quartiles O; = 54.25, Q2=61.5, and Q3= 79.25. (a) Select the correct box plot for the given data. BoxPlot A BoxPlot B BoxPlot BoxPlot 40 50 60 70 80 90 100 50 60 70 80 90 40 O BoxPlot A O BoxPlot B O BoxPlot C (b) Describe its shape (skewed left, symmetric, skewed right). The distribution is symmetric. O The distribution is skewed left. O The distribution is skewed right.
A boxplot of some data is as follows. 20 40 60 50 100 120 Using this boxplot, answer the following questions. What is the lower quartile? What is the upper quartile? Choose... Choose... Is the boxplot left-skew, symmetric or right-skew? Choose...
Comment on one aspect of the comparison of data from the twodatasets that can be seen more easily on the histograms than onthe boxplots.
Histograms of random sample data are often used as an indication of the shape of the underlying population distribution. The histograms on the next page are based on random samples of size 30,50 and 100 from the same population. a. Using the midpoint labels of the three histograms, what would you say about the estimated range of population data from smallest to largest? Does the bulk of the data seem to be between 8 and 12 all in three histograms? b. The population distribution from which the samples were drawn is symmetric and mound shaped, with the top of the mound at 10,95% of the data between 8 and 12, and 99.7% of data between 7 and 13. How well does each histogram reflect these characteristics?
dules Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore, and recorded number of pages in each textbook and its cost. The bivariate data is shown below, nferences laborations Number of Pages (I) Cost(y) 615 34.9 ogle Drive 314 32.84 599 31.94 ice 365 357 32.42 860 58.6 dent Course luations 973 64.38 679 51.74 250 24 748 51.88 A student calculates a linear model (Please show your answers to two decimal places) %3D Use the model above to estimate the cost when number of pages is 520 Cost = $| (Please show your answer to 2 decimal places.) Enter an integer or decimal number (more... Question Help: Message instructor Submit Question e to search N
Don't give handwritten answer..
Calculate inter-quartile range and its co-efficient from the following data: Wages ( $ ) 15 25 35 45 55 No. of Workers : 6 14 22 12
Pavan
Mrs. Cunan introduced a Gallery Walk Technique in her Science class. He gave a pretest and posttest to her 20 students and gathered the following data: Student Pretest (x1) Posttest (x2) 1 10 15 2 30 35 3 15 25 4 15 25 5 20 20 6 10 20 7 18 22 8 14 20 9 15 20 10 20 15 11 18 30 12 15 10 13 15 16 14 20 25 15 18 15 16 40 45 17 10 15 18 10 10 19 12 18 20 20 25 At .05 level of significance, is the Gallery Walk Technique effective? Follow the steps in hypothesis testing. Answer the following. Problem # ________ What is the appropriate statistical test to use? _______________________________________ _____________________________________________________________________________ State Null Hypothesis: _________________________________________________________…

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