2. The 2 data sets are replicates of pH values of analkaline solution (set A) and acidic solution (set B). (1)which is more precise? (2) which is more accurate?11.2, 10.7, 10.9, 11.3, 11.5, 10.5, 10.8, 11.1, 11.2, 11.0 (x, = 10.7)B) 5.2, 6.0, 5.2, 5.9, 6.1, 5.5, 5.8, 5.7, 5-7, 6.o (x = 5.8)%3D

Coefficient of variation : A applied math live of the relative dispersion knowledge|of knowledge|of…

Answered: 2. The 2 data sets are replicates of pH…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.6: Variation

Problem 37E

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55. Explain from the data given below whether A and B are independent. positively associated or negatively associated : N=10,000, (A) = 4500, (B) = 6000, (AB) = 3150. () (A) = 150, (a) = 250, (B) = 20o, (aB) = 125. %3D %3D %3D
Please do it in "Minitab", I think it is easier. Send me pictures in minitab :)
The following scatterplot shows the mean annual carbon dioxide (CO,) in parts (CO2) per million (ppm) measured at the top of a mountain and the mean annual air temperature over both land and sea across the globe, in degrees Celsius (C). Complete parts a through h on the right. f) View the accompanying scatterplot of the residuals vs. CO2. Does the scatterplot of the residuals vs. CO, show evidence of the violation of any assumptions behind the regression? 16.800 A. Yes, the outlier condition is violated. 16.725 O B. Yes, the linearity and equal variance assumptions are violated. 16.650 C. Yes, the equal variance assumption is violated. 16.575 O D. No, all assumptioris are okay. 16.500 O E. Yes, all the assumptions are violated. 325.0 337.5 350.0 362.5 CO2 (ppm) OF Yes, the linearity assumption is violated. his vear, What mean temperature does
If X and Y are independent the correlation cofficient between X and Y is equal zero ulgn İhi
The FDA regulates that fish that are consumed should contain no more than 1.0 mg/kg of mercury. In Florida, bass fish were collected in 27 different lakes to measure the amount of mercury in the fish ('Multi- in table below. disciplinary niser activity, 2013). The data for the average amount of mercury in the fish from each lake is 3 E LL C $ 4 R G Search or type URL 65° Average mercury level in a lake 0.27 1.20 0.27 0.34 0.05 0.56 0.15 0.19 0.41 0.18 0.59 0.98 0.34 0.25 0.19 0.86 0.16 0.94 0.87 1.16 0.17 0.27 1.33 0.73 % T < C 6 Y 7 * U 8 + ( 9 0 0
IE 7
Please slect from provided answers.
For the following data. i_xi_fi 00 1 13 4 267 39 9 4 12 15 i) ii) if data points at i=1,2,3 are considered, write the followings: -the first differences=? -the second differences=? -P₂(s)=? in terms of s, and the first and second differences. -S=? df(x=6)/dx=? By using only two data points.
5. Oxygen demand is a term blologists use to describe the axygen needed by fish and other aquatic organisms for survval. The Environmental Protection Agency conducted a study of a wetland area in Marin County, Californla. In this wetland environment, the mean oxygen demand was u=9.9 mg/L, and a= 1.7 mg/L. (Reference: EPA Report 832-R- 93- 005). Let x be a random varlable that represents oxygen demand in this wetland environment. Assume x has a probability distribution that is approximately normal. a. An oxygen demand below 8 mg/L Indicates that some organisms In the wetland environment may be dying. What is the probability that the oxygen demand will fall below 8 mg/L? b. A high oxygen demand can also indicate trouble. An oxygen demand above 12 mg/L may indicate an overabundance of organisms that endanger some types of plant life. What is the probability that the oxygen demand will exceed 12 mg/L?
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6.7 (4) 7 The following three equations were estimated using the 1,534 observations in 401K.RAW: prate = 80.29 + 5.44 mrate + .269 age – .00013 totemp (.045) (.78) (.52) (.00004) R = .100, R² = .098. prate = 97.32 + 5.02 mrate + .314 age – 2.66 log(totemp) (1.95) (0.51) (.044) (.28) R? = .144, R² = .142. prate = 80.62 + 5.34 mrate + .290 age – .00043 totemp (.045) (.78) (.52) (.00009) + .0000000039 totemp? (.0000000010) R? = .108, R² = .106. Which of these three models do you prefer? Why?
Number 14 parts d and e.

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