Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtainedfrom residents in a region born after 1979. Use the given data to construct a boxplot and identify the 5-number summary.124149125149128149131152133154137159The 5-number summary is..., and, all in mBq.(Use ascending order. Type integers or decimals. Do not round.)137162138163142167145 C172

The question is about measures Given : To find : 5 no. summary

Answered: Listed below are amounts of…

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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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…
Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtained from residents in a region born after 1979. Use the given data to construct a boxplot and identify the 5-number summary. 123 125 127 131 133 135 138 141 145 146 D 150 152 154 155 157 164 166 168 170 175 The 5-number summary is . || | and (Use ascending order. Type integers or decimals. Do not round.) , all in mBq. Which boxplot below represents the data? O A. OB. 120 140 180 100 180 120 140 16o Strontium-90 (mBq) 160 200 A 200 Strontium-90 (mBq) OC. OD. 120 140 160 180 100 120 140 160 180 200 Strontium-90 (mBq) Strontium-90 (mBq)
Every day in the summer months a supermarket receives a shipment of peaches. The supermarket’s quality inspector arranges to have one box randomly selected from each shipment for which the number of “spoiled” peaches (out of 48 peaches in the box), which cannot be put out on the supermarket shelves, is recorded. DS 6.1.5 shows the data set obtained after 55 days. Define the population from which the sample is taken. Do you think that it is a representative sample?
Listed below are amounts of strontium-90 (in millibecquerels, or mBq) in a simple random sample of baby teeth obtained from residents in a region born after 1979. Use the given data to construct a boxplot and identify the 5-number summary. 122 147 O A. 120 123 147 The 5-number summary is and all in mBq. (Use ascending order. Type integers or decimals. Do not round.) Which boxplot below represents the data? 100 127 148 140 160 Strontium-90 (mBq) 180 130 151 120 140 160 180 200 Strontium-90 (mBq) 133 153 137 158 B. D. 138 159 120 100 120 140 160 180 Strontium-90 (mBq) 160 Strontium-90 (mBq) 140 159 140 180 200 200 142 162 145 169
The types of raw materials used to construct stone tools found at an archaeological site are shown below. A random sample of 1486 stone tools were obtained from a current excavation site. Raw Material Regional Percent of Stone Tools Observed Number of Tools as Current excavation Site Basalt 61.3% 893 Obsidian 10.6% 165 Welded Tuff 11.4% 179 Pedernal chert 13.1% 198 Other 3.6% 51 (A) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)
A population consists of the following N= 6 scores: 0, 4, 6, 1, 3, and 5. Compute u and o for the population. Find the z-score for each score in the population. Transform the original population into a new population of N=6 scores with µ = 50 and o = 10.
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A random selection of volunteers at a research institute have been exposed to a typical cold virus. After they started to have cold symptoms, 15 of them were given multivitamin tablets formulated to fight cold symptoms. The remaining 15 volunteers were given placebo tablets. For each individual, the length of time taken to recover from the cold is recorded. At the end of the experiment the following data are obtained. Days to recover from a cold Treated with multivitamin 4.9. 3.9, 4.9. 7.3, 3.7, 5.7, 4.3, 6.1, 4.9, 5.4, 7.7, 7.3, 4.6, 4.3, 4.6 Treated with placebo 5.1, 5.3, 5.3, 1.6, 1.6, 4.8, 4.4, 3.3, 3.7, 5.2, 5.5, 5.8, 6.5, 1.5, 5.4 Send data to calculator Send data to Excel It is known that the population standard deviation of recovery time from a cold is 1.8 days when treated with multivitamin tablets, and the population standard deviation of recovery time from a cold is 1.5 days when treated with placebo tablets. It is also known that both populations are approximately normally…
The following table contains the number of grams of water and the number of grams of carbohydrate for a 100g sample from a random selection of raw foods. Use the data to answer the following questions. Water 83.93 80.76 87.66 85.20 72.85 84.61 83.81Carbs 15.25 16.55 11.10 13.01 24.27 14.13 15.11 a) Use your calculator to find the equation of the regression line in which the x is the number of grams of water, and y is the number of grams of carbohydrates. Use correct notation, and round the slope and y-intercept to three decimal places. b) What is the best-predicted value of the number of grams of carbohydrates in a sample that contains 75g of water? Explain how you predicted the value and why that prediction is the best-predictedvalue. Give your answer in terms of the original problem. What is the best-predicted value of the number of grams of carbohydrates in a sample that contains 50g of water? Explain how you predicted the value and why that prediction is the best-predicted value.…
Each of three comparable classes of 15 students responded to three different methods of instructions, giving the following scores on a standardized test: Class U: 91 42 39 62 55 82 67 44 51 77 61 52 76 41 59 Class V: 80 71 55 67 61 93 49 78 57 88 79 81 63 51 75 Class W: 91 73 67 83 59 98 87 69 78 80 65 94 82 74 85 Use a chi-square test with a = scores by dividing the combined sample into three equal parts (low, middle, high). 10.4, reject Ho) 0.05 to test the equality of the distributions of test (q
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To the right is a stem-and-leaf display representing the amount of gasoline purchased, in gallons (with leaves in tenths of gallons), for a sample of 25 cars that use a particular service station on the New Jersey Turnpike. Complete parts (a) through (d). 9 134 10 23467 11 00357789 12 124568 13 499 Place the data into an ordered array. Choose the correct answer below. A. 9.1 9.3 9.4 10.2 10.3 10.4 10.6 10.7 11.0 11.0 11.3 11.5 11.7 11.7 11.8 11.9 12.1 12.2 12.4 12.5 12.6 12.8 13.4 13.9 13.9 B. 13.9 13.9 13.4 12.8 12.6 12.5 12.4 12.2 12.1 11.9 11.8 11.7 11.7 11.5 11.3 11.0 11.0 10.7 10.6 10.4 10.3 10.2 9.4 9.3 9.1 C. 9.1 10.2 11.0 12.1 13.4 9.3 10.3 11.0 12.2 13.9 9.4 10.4 11.3 12.4 10.6 11.5 12.5 10.7 11.7 12.6 11.7 12.8 11.8 11.9

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