how do i find the regression line formula and r ^2 labeled on the graph?

Q: Block # 4 Mass 41 451g Length 3 32 Find density and percent error of the solid. Show work and circle…

A: Here we are making multiplication and division to solve for the answer.  According to the rule of…

Q: Perform each of the following operations, using your calculator where possible:(a) Write the number…

A: Since we answer only upto 3 sub-parts, we will answer first three. Please resubmit the question by…

Q: Dimensional Analysis Worksheet

A: →1 week =7 days     and 1 day =24hours→1g=106Mg  and 1g=103mg→1L=103mL→1 Km=103m→1…

Q: NaOH buret 2nd reading 29,45 32.05 NaOH buret 1st reading 0,02 mL 0.01 mL Slighty derker pinh Light…

A: Formula used : RSD = s ×100x¯ where, RSD = Relative Standard Deviations = Standard Deviation x¯=…

Q: Shown below are the scatter plots for four different data sets. Answer the questions that follow.…

A: The explanation is given below-

Q: 1) Perform the indicated mathematical operations. State the uncertainty of the final answer a…

A: Uncertainty is the measure of mathematical value which is deviated very little from measured value.

Q: Solve for x in 3x + 5 = -7x – 2q

A: Those digits which has meaning in the given magnitude is known as significant figures. All non-zero…

Q: Suggest a hypothesis that explains the pattern/shape for the trend of the data in my graph

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: For the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, find the range and 90% confidence interval for…

A:

Q: Read the length of the metal bar with the correct uncertainty error range (+/-). 5 10 15 20 cm

A: Length is measurement of anything from end to end.

Q: For the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, find the rangeb and 90% confidence interval for…

A:

Q: What is the absolute error of the answer for the following operation? (8.12 +- 0.03)-(3.12+-0.02) =…

A: The operation given is, =>

Q: Next, the student calibrates the pipet. The calibrated pipet delivers a mean volume of 24.995 mL…

A:

Q: Suggest a hypothesis that explains the pattern/shape for the trend of the data in my graph

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Memorize that 1mL=1cm3 Convert 2000mL to cm3 Use a conversion factor of 1cm3/1mL

A: If we are having,  1mL=1 cm3

Q: the VT of a column is 30 cm3 , and VS is 20 cm3 , and Vo is 7 mL, find Vi (in mL).

A:

Q: 0.080 M in HNO3 and 0.185 M in HC7H;O2 Express your answer to two decimal places. ? pH = %3D

A: The PH of mixture can be calculated as follows

Q: 4 Br 1. 4 signals 2. 2 signals NH2 3. 5 signals

A: Given : We have to tell number of signal in C-13 NMR spectrum.

Q: or the straight line defined by the points ( 4,55) and (6,83), determine the slope (m) and…

A: When determining graphs in chemistry it is often provided with the points on the graph and we need…

Q: Convert 16 nm to μm.

A: • We need to convert 16 nm to ____ μm

Q: Calculate the 95% confidence interval for these set of data: 3.3,3.4,3.1 and 3.6 ppm

A:

Q: Convert inverse 500m to inverse micrometer

A: Meter can be changed to micrometer by taking the reciprocal of the quantity given in meters.

Q: What is the meaning of a confidence interval?

A: In chemistry there are many ways to check the deviation of experimental data from the accurate…

Q: 5.00x10-2 M HNO3 Express your answer using three decimal places. Hνα ΑΣφ ? P pH = Submit Request…

A:

Q: Make a mind map with 3 words max and with photos and videos for gr 11 chemistry unit 2

A: Chemical reactions involves the change of reactants to products. They are divided into five basic…

Q: "Precision" is the ___________ of a measurement a. probability b. repeatability c. variability…

A: Precision:The closeness of two or more calculated measurements regardless of the accuracy of those…

Q: Systematic error causes the mean of a data set to differ from the accepted value. True…

A: The objective of measurement can be qualitative or quantitative. Every measurement has an inherent…

Q: Using the linear regression equation on the previous question, what is the concentration of the…

A: Given

Q: 20,18,2,4,15,15,10 Using these data, construct a 80% confidence interval for the average net change…

A: A confidence interval for a population mean with a known standard deviation is based on the fact…

Q: Find the density for each trial

A: Mass of water=2.11 g Volume of water=2.0 mL Density = Mass / Volume  Density =2.11 g/2.0 mL Density…

Q: Think about the situation where you are investigating the relationship of study time vs. exam grade.…

A: Few questions about data interpretation, which is to be accomplished.

Q: In a particular trial, a student got a value for R of 0.085. Calculate the percent deviation of this…

A: Percent deviation is given by: % deviation=Rexperimental-RacceptedRaccepted×100            ......…

Q: involving logarithm, the rule is to retain as many decimal places in the result as there are…

A:

Q: In a particular trial, a student got a value for R of 0.071. Calculate the percent deviation of this…

A: In the particular trail the student got the value of R=0.071. The experimental Value of R = 0.071…

Q: 9.16×10-2 M HCIO, Express your answer to three decimal places. ? pH =

A: Determine pH of the given solution--

Q: Reduce the following terms to right number of Significant Figures.…

A: Significant figures are the number of digits in a value, often a measurement, that contributes to…

Q: Perform the calculations and determine the absolute and percent relative uncertainty. Express each…

A: In this question we have to calculate the absolute and percent relative uncertainty of the following…

Q: Which of the curves seems to have the shortest vertical line around its equivalence point? Explain…

A: Given curves are the plot of pH of solution at different stage of acid base titration  against the…

Q: WHAT ARE THE SOURCES OF ERRORS IN DIFFERENTIAL COUNTING?

A: The error in differential counting is given below.

Q: 200 180 160 140 120 100 40 20 PPM | (+) drta 3 Peak ára 2 penk 2 10 PPM

A: 13C-NMR provides the information about the number and types of carbons of unknown. 1H-NMR provides…

Q: how can i round this Kc = qcalorimeter = 170.0cal = 36.95655217 cal/°C                 ∆T…

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Q: A chemist working in a hospital clinical laboratory obtained the following values for uric acid in…

A: The given values are 4.63, 4.58, 4.82, 4.31, 4.67 and 4.60 mg To find: Mean value

Q: C. [H+] = 12 M * Your answer d. [H+] = 5.4 x 10^-5 M* Your answer

A:

Q: Find the mean and median of each of the following sets of data. Determine the deviation from the…

A: The following set is given: 0.0110, 0.0104, 0.0105 Mean of the given data: Mean is the average of a…

Q: Calculate the mean and 90% confidence interval for the data set. Sample Value 8.0626 8.0650 3 8.0583…

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Q: Using the following mass standard data, calculate the Rx value. mass of mass of area of area of…

A: Answer - Rx value - It is defined as the ratio of the distance travelled by the compound at its…

Q: The line described by a linear regression attempts to a. pass through as many points as possible.…

A: The regression line is used to study the relationship among two or more variables and observe the…

Q: Consider the following operations on the number 2.23 x 102 Without using a calculator, decide which…

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: Hi! I m working on a lab right now. I have three measurements, 1.057 .9442 .9629 and a mean…

A: When we do any lab work, then there are different measurements obtained by us for particular test or…