Histograms of random sample data are often used as an indication of the shape of the underlying population distribution. The histograms on below are based on random samples of size 30, 50, and100 from the same population.(i) Sample of size 305-7(iii) Sample of size 100Frequency€25-20-15+10+5+0789Histogram (i)Histogram (ii)Histogram (iii)1011X(ii) Sample of size 5012-10+8-6-2+0J867Complete the table giving the range of the sample data in each of the histograms.Smallest Value Largest Value91011891011(a) Using the midpoint labels of the three histograms, what would you say about the estimated range of the population data from smallest to largest?X

The provided information is as follows:The three different histograms of different sample sizes of…

Answered: Histograms of random sample data are…

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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Background: Data on infant mortality mortality (measured as deaths per 1,000 under 1 year old) was collected by the United Nations Educational, Scientific, and Cultural Organization (UNESCO) for the 1990 Demographic Year Book and is provided below. Perform an analysis of variance procedure to determine whether or not the differences in the mortality rates of infants in African, Asian and Middle Eastern countries is statistically significant. Directions: Perform an analysis of variance (ANOVA) to determine if the differences in the infant mortality rates in African, Asian and Middle Eastern countries is statistically significant. Data Africa Asia MiddleEast 76 181.6 18 137 118 112.1 69 130 70 72 37 8.7 48.4 5.1 44 137 89 15.6 103 76 51 144 26 43 91 24 70 74 69 76 82 130 29 131 107.7 81 45 143 11.5 134 18.4 104 31 153 67 132 72 107 117 53 105 106 83 82 66 H0: μ1=μ2=μ3H0:…
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Question 3 -> part 1 and 5
Histograms of random sample data are often used as an indication of the shape of the underlying population distribution. The histograms on below are based on random samples of size 30, 50, and 100 from the same population. (a). Complete the table giving the range of the sample data in each of the histograms. (refer to picture of table) (b). Based on the completed table, select the most reasonable estimate of the range of the population data. A. 10 to 15 B. 9 to 14 C. 9 to 15 D. 11 to 13
1-> O O 1, 3, 4, 5, 9, 10 The following data represent the number of days absent per year in a population of six employees of a small company. Complete parts (a) through (d). ... The mean of all the sample means for n = 3 without replacement and the population mean are (c) Compare the shape of the sampling distribution of the mean in parts (a) and (b). Which sampling distribution has less variability? Why? Choose the correct answer below. OA. The distribution for n = 3 without replacement has less variability because the sample means cluster closer to the population mean, μ. OB. The distribution for n = 2 without replacement has less variability because there are fewer possible values the sample mean could take. OC. The distribution for n = 2 without replacement has less variability because the sample means cluster closer to the population mean, μ. Subm Why? (d) Assuming that you sample with replacement, repeat (a) through (c) and compare the results. Which sampling distributions have…
The distribution of average years to degree for random samples of 100 PhD students in the U.S. has a mean of 5.8 with a standard error of 0.2. What type of distribution is this? population distribution sampling distribution sample distribution
Prices and mileage of 44 Toyota Prius cars. Prices ranged from $17,043 to $48,935. Mileage ranged from 403 to 70,838. While I did not share the cars were 2017 to 2020 models. Please show all work. Does this model meet the Normality assumption? Provide evidence and a discussion of support for meeting the assumption. Does this model meet the Equal Variance (Homoscedasticity) assumption? Provide evidence and a discussion of support for meeting the assumption. Price Mileage 17167 67380 24500 8137 20700 14907 20700 13906 18995 39268 21985 3292 19995 32630 19983 36074 19477 35484 20980 23954 24940 7001 24940 7991 25480 3476 17960 41051 25980 403 24500 8137 18588 66109 18788 51022 19200 32753 21985 38838 24512 2307 22997 33671 18480 27233 18480 27758 17043 70838 17761 21967 18488 11686 17793 26080 17900 36655 18100 46264 20500 27112 22410 17384 22817 2860 21660 17060 17575 54848 20250 21084 20259 21183…
Question 4 Sample: 2, 1, 3, 0, 1, 3, 6, 0, 3, 3, 5, 2, 1, 4, 2 What is the variance (3 decimal places) Selected Answer: 1.559
A sample of 3 measurements are taken and recorded: a =8, y = 10 and z = 7 The sample mean is: x = = 8.33 Fill in the table below. aj (a; - x)2 Ex: 5.34 Ex: 5.34 Ex: 5.34 82 = (z-z)*+(y-a)* +(z-z) Ex: 5.34 (z-2)*+(y-z)* +(z-) = Ex: 5.34
(a) By hand or with Minitab, calculate sample statistics for the mean, median, range, variance, and standard deviation using the running time data. (b) The sample range is almost 1 hour. What data point is the main influence behind this large range? (c) When plotted, the movie running times are fairly symmetric. How can you tell this without graphing the running times
8. Assumptions underlying the independent-measures ANOVA Which of the following are assumptions underlying independent-measures analysis of variance? Check all that apply. The populations from which the samples are taken follow an F distribution. The observations are independent of one another. Each of the populations of scores from which the samples are drawn has the same variance. Each of the populations of scores from which the samples are drawn is normally distributed.

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