se the listed amounts of Strontium-90 (in millibecquerels) in asimple random sample of baby teeth obtained from Pennsylvania residents born af-ter 1979 (based on data from "An Umexpected Rise in Strontium-90 in U.S. Decid-uo s Teeth in the 1990s," by Mangano, et. al, Science of the Total Environment).155 142'149 130 151 163 151 142156 133 138 161 128 144 172 137 151 166 147 163145 116 136 158 114 165 169 145 150 150 150 158 151 145 152 140 170 129 188 1565. Dotplot Construct a dotplor of the amounts of Strontium-90. Whar does the dorplot sug-gest about the distribution of those amounts?6. Stemplot Construct a stemplot of the amounts of Strontium0. What does the stemplorsuggest about the distribution of those amounts?7. Frequency Polygon Construct a frequency polygon of the amounts of Strontium-90.For the horizontal axis, use the midpoints of the class intervals in the frequency distribution inExercise 18 from Section 2-2: 110-119. 120-129, 130-139. 140-149, 150-159; 160-169,170-179, 180-189.8. Ogive Construct an ogive of the amounts of Strontium-90. For the horizontal axis, use thedass boundaries corresponding to the class limits given in Exercise 7. How many of theamounts are below 150 millibecquerelse

Given is the following set of numbers: 155 142 149 130 151 163 151 142 156 133 138 161 128 144 172…

Answered: se the listed amounts of Strontium-90…

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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Please answer part B and C. Thank You
If alpha = 0.327, then z alpha/2 is 0.49 when rounded to two decimal places. True or false?
Answer only letter c
A medical researcher says that less than 83% of adults in a certain country think that healthy children should be required to be vaccinated. In a random sample of 600 adults in that country, 80% think that healthy children should be required to be vaccinated. At a = 0.10, is there enough evidence to support the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha. Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. Less than % of adults in the country think that healthy children should be required to be vaccinated. O B. More than % of adults in the country think that healthy children should be required to be vaccinated. %. O C. The percentage of adults in the country who think that healthy children should be required to be vaccinated is not O D. % of adults in the country think that healthy children should be required to…
1. Question Details DevoreStat9 7.SE.506.XP. [4060976] The following observations were made on fracture toughness of a base plate of 18% nickel maraging steel (in ksi ✓in., given in increasing order)]: 65.5 71.9 72.8 73.1 73.4 73.5 75.5 75.7 75.8 76.1 76.2 76.2 77.0 77.9 78.1 79.6 79.7 79.9 80.1 82.2 83.7 93.8 Calculate a 99% CI for the standard deviation of the fracture toughness distribution. (Round your answers to one decimal place.) 3.8 8.7 ksi vin Is this interval valid whatever the nature of the distribution? Explain. O The interval is always valid. O The distribution needs to be skewed to the right. O The distribution needs to be approximately uniform. O The distribution needs to be approximately normal.
QUESTION 4 Given that the average value of fx) = 21.6x – 14.4ax + b on the interval [0, a] equals 12, then b = %3D O A 1 O B. 7.2 O C. 14.4 O D. does not exist O E. 12
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. 148 125 152 130 155 141 164 172 all in mBq. The 5-number summary is .... and (Use ascending order. Type integers or decimals. Do not round.) Which boxplot below represents the data? О А. о с. 127 154 120 TH 100 120 140 160 180 200 Strontium-90 (mBq) 140 160 180 Strontium-90 (mBq) 200 Q Q Q 134. 156 137 157 OB. O D. 100 120 142 166 120 140 160 180 200 Strontium-90 (mBq) 140 160 Strontium-90 (mBq) 180 Q Q Q 144 168 150 D 177
2. Measurements were taken for entropy and enthalpy changes for many salts under a variety of water + methanol of NaCl (table salt) for several concentrations of methanol. Four independent conditions. The following table presents the results for enthalpy of transfer (in kJ/mol) from water to measurements were made at each concentration. Concentration (%) Enthalpy 1.62 1.60 1.62 1.66 5 10 20 30 2.69 2.66 2.72 2.73 3.56 3.45 3.65 3.52 3.35 3.18 3.40 3.06 a. Construct an ANOVA table in Excel. (8 points) b. Is it plausible that the enthalpy is the same at all concentrations? Explain. (4 points) No, brause the value is very low c. Use the Fisher LSD method to find a 95% confidence interval for the difference between the means for concentrations 5 and 30. Show your work. (12 points) d. Compute the quantity s = √MSE, the estimate of the standard deviation σ. (2 points)
Suppose that we are testing H0: µ = µ0 versus H1: µ > µ0. Calculate the P -value for the following observed values of the test statistic (round all answers to 4 decimal places. (a)z0 = 2.45, (b)z0 = -1.53, (c)z0 = 2.15, (d)z0 = 1.95, (e)z0 = -0.25.
Can you assist me in answering this? (this is not graded but, rather, an excersice conducive to acquisition).
6
Please see attached statistical mathematics question. How to find the constant c so that the signicance level is alpha = 0.05.and determine the power function of the test?

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