The data set available below represents the length of life, in seconds, of 50 fruit flies subject to a new spray in a controlled laboratoryexperiment. Comment on any outliers in the data.Click the icon to view the data.The data contains possible outlier(s).(Type a whole number.)SaveClear allCheck answer/1) The data set available below represents the length of life, in seconds, of 50 fruit flies subject to a new spray in a controlled laboratoryexperiment. Comment on any outliers in the data.Click the icon to view the data.The data contains possible outlier(s).(Type a whole number.)SaveClear allCheck answer/1)

Answered: The data contains possible outlier(s).…

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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Example 2-15. Eight coins were tossed together and ihe number of heads resulting was noted. The operation was repeated 256 times and the frequencies () that were obtained for different values of x, the number of heads, are shown in the following table. Calculate median, quartiles, 4th decile and 27th precentile. 7 7 1 6 0 1 2 26 3 4 5 x: 59 72 52 29 f:
15. Diameter of Douglas Fir Trees The diameter of the Douglas fir tree is measured at a height of 1.37 meters. The S following data represent the diameter in centimeters of a random sample of 12 Douglas firs in the western Washington Cascades. 156 162 147 173 147 190 130 101 159 113 181 109 Source: L. Winter. "Live Tree and Tree-Ring Records to Reconstruct the Structural Development of an Old-Growth Douglas Fir/Western Hemlock Stand in the Western Washington Cascades." Corvallis, OR: Forest Science Data Bank, 2005. (a) Obtain a point estimate for the mean and standard deviation diameter of a Douglas fir tree in the western Washington Cascades. (b) Because the sample size is small, we must verify that the data come from a population that is normally distributed and that the data do not contain any outliers. The figures show the normal probability plot and boxplot. The correlation between the tree diameters and expected z-scores is 0.982. Use Option 1 or Option 2 to determine if the…
(d) State the interquartile range for this data and use it in a calculation to determine whether the highest score can be classified as an outlier.
Here is a set of data. 11 126 192 442 466 508 556 589 660 715 807 823 832 998 Identify the 5 number summary (min, Q1, median, Q3, max)
Stem Leaf 214 26 31334 36 6 677 9 412 45 Using the data set above, determine if there are any outliers. If there are no outliers, enter DNE.
Find Mean, Median from formula, and from commulative frequency curve, Mode, Histogram, Frequency polygon,First four moments, skewness, kurtosis, Geometric mean, harmonic mean of data given below in table. f 0-1 64 1-2 92 2 - 3 141 3 - 4 86 4 - 5 71 5 -6 35 6- 7 11 Σ1-500
A random sample of 42 earthquakes that have occurred between January 2015 and September 2017 was selected and for each earthquake the magnitude of the earthquake and the number of people killed was recorded. The data appear in the scatterplot below. 400 350 300 250 200 150 100 50 0 3 -50 4 5 6 7 8 9 10 -100 -150 Magnitude of Earthquake 8 Consider the scatterplot above question 2. Use this scatterplot to describe completely the relationship between the magnitude of the earthquake and the number of people killed. Positive and linear Negative, moderate, linear O Negative, strong, linear Positive, moderate, linear Number of People Killed ---
Suppose a study of speeding violations and drivers who use cell phones produced the following fictional data: Speeding violation in thelast year No speeding violation in the last year Total Uses cell phone while driving 25 280 305 Does not use cell phone while driving 45 405 450 Total 70 685 755 Calculate P(Driver had no violation in the last year AND was a cell phone user). Round your answer to four decimal places.
1:15 (a) Which variable is the explanatory variable? OA. One of the biggest factors in determining the value of a home is the square footage. The accompanying data represent the square footage and selling price (in thousands of dollars) for a random sample of homes for sale in a certain region. Complete parts (a) through (h) below. Click the icon to view the housing data. Square Footage Selling Price (b) Draw a scatter diagram of the data. Choose the correct scatter diagram below. Ay 4500- 000 1000 mylab.pearson.com/ + ® : 3 4500 Data Table Q Square Footage, x 2148 3231 1177 1988 3064 2735 4146 2215 2625 1629 1773 3887 Print ||| OB. r= 0.899 (Round to three decimal places as needed.) = AX 4500- 1000+++ 150 750 Q (c) Determine the linear correlation coefficient between square footage and asking price. Done Ay 750- Vo) 1 LTE2 150- O 1000 Selling Price ($000s), y D 371.1 382.2 197.6 339.9 614.9 364.7 632.7 377.7 427.5 285.9 268.9 701.4 4500 .... .... Q X D. Ay 750- 41% 150+ 1000 4500
Exhibit 1.1 18 13 10 16 14 13 17 15 13 11 14 14 11 10 12 12 11 13 15 9 12 13 16 8 15 Using the numbers in Exhibit 1.1, determine the inter quartile range? And why?
5. 200 180 160 140 120 Cumulative frequency 100 (sh) 80 60 A 40 20 0 0 10 20 ii) the upper quartile 40 30 50 Number of hours worked (h) iii) the inter-quartile range 60 70 200 people record the number of hours they work in a week. The cumulative frequency graph shows this information. a) Use the graph to find: i) the median 80 iv) the number of people who work more than 60 hours in a week

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The data contains possible outlier(s). (Type a whole number.) Length of Life Data 15 17 7 20 11 32 16 5 16 12 48642 14 12 12 19 10 7 Print 17 18 20 9 12 18 10 7 18 7 17 7 18 14 17 10 18 5O586 48374 10 10 15 13 18 17 35 Done 16 12 29558 17 D - X