Answered: The last value of each dataset in the…

The last value of each dataset in the table may be a questionable value. Apply the Q test with a 95% confidence level and calculate whether these values will be statistically rejected for discarding.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Consider the structure of testosterone to identify the best suitable quantitative analysis for…

A: The steroid hormone testosterone is very significant. Total testosterone levels in healthy,…

Q: A student got the following replicate measurements: 7.81. 8.61, 7.46. 7.84, 7.80. Apply Qtest (at…

A: First, we will arrange the data in ascending order. The order is- 7.46, 7.80, 7.81, 7.84, 8.61

Q: Identify whether the following are examples of systematic or random error or are mistakes: a. Using…

A: The random error causes one measurement to differ slightly from the next. It comes from…

Q: I am trying to find the mass of my compound, but Im not sure if its 76 or 173 bc Im not sure if…

A: To determine the molecular ion peak in the given mass spectra.

Q: Consider the following sets of replicate measurements: Calculate the mean and the standard deviation…

A: Mean and standard deviation are basic concepts used data analysis and statistics. Mean which is also…

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: Consider the following SAS data and formula. Volume of sample at $1%: 50.2 ml 51% = 55% 52% = 70%…

A: volume of SAS needed can be calculated using given formula. Volume of SAS =[ [(volume of sample at…

Q: 2.Based on the data, calculate the mean value of the mass of 15 mL of ethanol. Calculate the average…

A: Formula :- Mean = sum of all value / n Where n is number of values

Q: Average and Uncertainty The molar mass of an unknown compound was determined in three repeat…

A: Step 1: Calculate the average of the obtained molar masses. We will use the formula for average…

Q: 100 80 60 40 20 0 m/tpt/pt/profe 25 50 75 m/z 100 125 150

A: The question is based on the concept of mass spectroscopy. we need to analyse the mass spectra and…

Q: Dr. Caras was characterizing a cytochrome (an iron containing protein) from a new strain of…

A: First calculate mean (μ) of 8 measurements. Sum of all measurements = 2.5719 Mean of all…

Q: A sample is selected from a population with µ = 46, and a treatment is administered to the sample.…

A: Solution:-The sample mean before treatment, μ1 = 46 The sample mean after treatment, μ2 = 48The…

Q: The gold content of an ore is being measured. The results of these analyses are: Content (ppt)…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: To determine the organic material in a dried lake bed, the percent carbon by mass is measured at two…

A: The explanation is given below-

Q: Pre-Heat Item Crucible Lid Crucible Crucible & Lid Crucible Lid & Sample Sample (Preheat)…

A: During the crystallization of a solid some water molecules remain in the structure of the solid.…

Q: Weight of Coin 1 (g) Weight of Coin 2 (g) Weight of Coin 3 (g) Weight of Coin 4 (g) Weight of Coin 5…

Q: After performing Part A of the experiment, a student obtained the following concentrations for…

A: Given that, in an experiment the obtained concentration of the NaOH Trial 1 Trial 2 Trial 3…

Q: A powder was prepared containing 3.00% NaCN and 97.00% NaCl. A sample obtained from that mixture…

Q: what is spectrophotometry? how is it related to Beer's Law?

A: Spectrophotometry is a part of electromagnetic spectroscopy worried about the quantitative…

Q: The following experimental data was collected by a student: 0.0020 M Fe(NO3)3 mL Trial 1234 Blank…

A: Given :- . Kc = ? -------------------------------------

Q: You are trying to determine the caffeine content of brand X coffee using HPLC-UV/VIS analysis. You…

A: Mean is the average of the numbers, i.e., add up all the numbers, then divide by how manynumbers…

Q: standard deviation

A: If there is two results having standard deviation Sa and Sb. Therefore standard deviation indicate…

Q: Express the molecular mass and its standard uncertainty of C17H21NO4 with the correct number of…

A: Answer:- Molecular mass = 17 × mass of carbon atom + 21 × mass of hydrogen + 1 × mass of nitrogen +…

Q: How do you find the standard deviation and average deviation using the data table above?

A: Given, Molarity of NaOH=0.0767 M, 0.0860 M, 0.0775 M Average,x¯= 0.080 M n=3 To calculate, Average…

Q: Q2/ The average teacher's salary in a particular state is 54166. If the standard deviation is 10200,…

A: Solution - According to the question - Given - Solution:Given that mean = 54166, sd = 10200 Z =…

Q: 8. Assuming that an experiment's results are 10.1, 10.4, and 10.6, find the mean, the average…

A: The question is based on the concept of analytical chemistry.We need to calculate mean, standard…

Q: wo students measured the density of water three times each. Their results are shown below. Trial…

Q: Student A got the following densities of water; 1.09g/mL, 1.14g/mL, and 1.15g/mL with an average of…

Q: Individually weigh each of the nine nickels used in part 2b. Then calculate the average, average…

A: The mass of a U. S. nickel when minted, is 5.000 g.

Q: ) A 0.70 μL sample of an equal volume mixture of 2-pentanone and 1-nitropropane is injected into a…

Q: stimate the absolute standard deviation and the coefficient of variation for the results of the…

A: Solutions- Absolute standard deviation-Find the sum of the data values, and divide the sum by the…

Q: 55.8 % C, 11.6% H and 32.6% N by mass Determine the molecular formula of the particles of the…

A: The mass percentage of C, H, and N is 55.8%, 11.6%, and 32.6%, respectively. The mass percentage…

Q: Which of the following statements are false for the time-of-flight mass spectrometer ? Light…

A: Mass spectrometry helps us to find the structure of the unknown organic compound on basis of the…

Q: I am supposed to calculate Average absolute deviation (%). I am not sure if 7.16 is the final…

Q: Caffeine in a sample of chocolate was measured five times, and the results were 1265 ppm caffeine…

A: In the given question we have to if the results are statistically different from the label value at…

Q: For the data set, calculate the mean, standard deviation, and variance. mean: \table[[Sample, Value…

Q: a. y 15.57(±0.04) + 0.0037 (+0.0001) + 3.59(+0.08) 1.49(±0.02)x10-2-4.97(±0.06)×10-³ b. y =…

Q: . A graduated cylinder with a least count of ± 0.5 ml is used in a density experiment. The initial…

Q: Trial Mass (g) 1 48.8839 2 49.0099 3 49.1121 4 48.9342 5 49.0338 6 48.7798 Calculate mean and…

A: We need to calculate the mean and standard deviation with the correct number of significant figures.…

Q: 6. If we were to generate a sampling distribution of means based on a sample of size of 50, what…

Q: Determine the Average Mass and the Standard Deviation for the following data: Mass of pennies in…

A: The average mass is equal to the sum of all mass divided by the total number of masses.

Q: A student determines the concentration of an unknown sample using two different methods. Each method…

A: Comparing the given data by creating a comparison table: Observations Method 1 Method 2…

Q: Use a spreadsheet to calculate the mean and standard deviation of the data set. 54.99, 54.40, 54.60,…

A: Given - expected values are 54.99, 54.40, 54.60, 54.63, 54.36

Q: A manufacturer’s process for analyzing aspirin tablets has a known variance of 25. A sample of 10…

A: It is given that 10 data are given, the evidence has a significant difference with the sample test…

Question

100%

The last value of each dataset in the table may be a questionable value. Apply the Q test with a 95% confidence level and calculate whether these values will be statistically rejected for discarding.

*A
B
*C
D
*E
F
3,5
70,24
0,812
2,7
70,65
0,514
3,1
70,22
0,792
3,0
70,63
0,503
3,1
70,10
0,794
2,6
70,64
0,486
3,3
0,900
2,8
70,21
0,497
2,5
3,2
0,472

Expert Solution

Step 1

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Please answer both questions!
Given below is a diagram of separation of two components of a mixture in a chromatographic column. From the diagram, which component has lesser affinity to the stationary phase? Component D Component F Component Z Component X Ox OZ OF D
based on the data from the experiment, how do i calculate the percentage of error? also, how do i explain about the observation.
Analysis was run on samples from a known CRM with 8.85% Fe. The following results for %Fe were obtained by an analyst: 8.75, 8.51, 8.25, 8.61. Which of the following statements is true assuming none of the data points are outliers? Group of answer choices Tcalc = 63.15 The analysis is not accurate at the 95% confidence interval. Tcalc = 3.03 The analysis is accurate at the 95% confidence interval. Not enough information to determine Tcalc = 63.15 The analysis is accurate at the 95% confidence interval. Tcalc = 3.03 The analysis is not accurate at the 95% confidence interval.
2. Estimate the absolute deviation and the coefficient of variation for the results of the following calculations. Round each result so that it contains only significant digits. The numbers in parentheses are absolute standard deviations. 2 (1.203 (+0.004) x 103 + 18.25 (10.005) x 102 – 34.012(±0.001)) 3.9201 (+0.0006) x 10-3 y =
Chemistry find absolute and relative standard deviation of this data.
Estimate the absolute deviation and the coefficient of variation for the results of the following calculations. Round each result so that it contains only significant digits. The numbers in parentheses are absolute standard deviations. (1.203 (+0.004) × 103 + 1.625 (±0.005) × 102 – 34.012(±0.001) y = - %3D 3.9201 (±0.0006) × 10-3
Analysis was run on samples from a known CRM with 8.85% Fe. The following results for %Fe were obtained by an analyst: 8.75, 8.51, 8.25, 8.61. Which of the following statements is true assuming none of the data points are outliers? Group of answer choices Tcalc = 63.15 The analysis is not accurate at the 95% confidence interval. Tcalc = 3.03 The analysis is accurate at the 95% confidence interval. Not enough information to determine Tcalc = 63.15 The analysis is accurate at the 95% confidence interval. Tcalc = 3.03 The analysis is not accurate at the 95% confidence interval.
Estimate the absolute deviation and the coefficient of variation for the results of the calculation below. Round off the result so that it contains only the significant digits. The numbers in parentheses are absolute standard deviations.
In a particular trial, a student got a value for R of 0.083. Calculate the percent deviation of this result. Enter a number without the % sign. The percent deviation should be reported as a positive value.
Perform the calculations and determine the absolute and percent relative uncertainty. Express each answer with the correct number of significant figures. To avoid rounding errors, do not round your answers until the very end of your calculations. [9.8 (+0.3) - 2.31 (+0.01)] 8.5 (+0.6) absolute uncertainty: + percent relative uncertainty: + 8 9.2 (+0.4) × ([5.4 (±0.3) × 10−³] + [5.6 (±0.1) × 10−³]) = absolute uncertainty: ± 0.005 percent relative uncertainty: + % %
For the data set, calculate the mean, standard deviation, nd variance. mean: standard deviation: variance: Sample 1 2 3 4 5 6 Value 8.016 8.022 8.024 8.028 8.029 8.015