A sample of 20 glass bottles of a particular type was selected, and the internal pressure strength of each bottle was determined. Consider the following partial sample information.median = 202.1lower fourth = 198.0upper fourth = 217.3Three smallest observations 125.2 188.5 194.3Three largest observations(a) Are there any outliers in the sample?○ YesNo221.6 231.2 250.1Any extreme outliers?YesNo(b) Construct a boxplot that shows outliers.**150200250150200250150200250150200250Comment on any interesting features.There is a bit of positive ✓ skew to the data. The variation in the data is relatively small

Which matches with the last boxplot.

Answered: A sample of 20 glass bottles of 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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Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers. 61 62 61 56 64 56 62 57 60 58 60 54 58 56 76 a. Find the quartiles. The first quartile, Q₁₁1 is The second quartile, Q₂, is The third quartile, Q3, is (Type integers or decimals.)
An exclusive school in Manila made a study on the relationship of age and teaching performance of teachers as evaluated by the students using the 5-point scale, where 5 is the highest. With a random sample of 16 teachers, test if the relationship is significant using the 0.05 level. The result of the sampling is shown below: Teacher No. 1234 3456NHO 60095 7 8 10 11 12 13 14 15 16 Age (x) 38 30 37 42 45 528 mo 52 48 33 36 32 950 49 48 56 30 44 43 Performance (y) 3.89 4.12 4.05 3.61 3.08 2.58 3.42 4.47 4.68 4.39 2.96 3.01 2.80 4.34 3.67 3.55
1. The following are the ages of 16 randomly selected SCC students:16, 18, 18, 19, 20, 20, 21, 22, 23, 24, 24, 25, 28, 31, 35, 41(a) Find the median and the two quartiles.(b) Use the IQR method to find all outliers.(c) Draw the box plot.(d) Construct a frequency histogram with 5 classes of equal width.(e) Based on (c) or (d), do you expect the median or the mean to be greater? Why?
For the given data set: [5.1, 7.3, 7.5, 7.2, 7.4, and 7.1] Determine the outlier using Grubbs test. Gcrit = 1.887
Suppose that a set of ten measurements is drawn randomly. The sample consists of the set {1,1,0,15,2,3,4,0,1,3}. By inspection it is evident that the measurement x=15 appears unusually large in comparison to the rest of the measurements. Calculate the z-score equivalent for the measurement x=15 and determine if it is an outlier.
The table provides the number of Facebookfriends for a sample of 50 people aged 18to 25.a) Determine the percentiles for each of theNumber of Friends intervals.b) Determine the quartiles and theinterquartile range.c) Make a box and whisker plot.d) Determine whether there are any outliers.
Use the accompanying data set to complete the following actions. a. Find the quartiles. b. Find the interquartile range. c. Identify any outliers. 40 51 36 45 41 37 39 48 44 37 34 55 42 36 15 51 39 50 29 30 D a. Find the quartiles. The first quartile, Q,, is The second quartile, Q2, is The third quartile, Q3, is (Type integers or decimals.) b. Find the interquartile range. The interquartile range (IQR) is. (Type an integer or a decimal.) Calculator
Identify all possible outliers from the following data set:0.145.24.756.1517.23.97.8
The following describes a sample. The information given includes the five number summary, the sample size, and the largest and smallest data values in the tails of the distribution. Five number summary: (31, 61, 67, 69, 88); n = 120 Tails: 31, 52, 54, 56, 57,..., 77, 78, 84, 85, 88 Clearly identify any outliers using the IQR method. Select all that apply. No outliers 31 52 54 56 SE 57 77 78 84

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