Ten replicate analyses of the concentration of mercury in a sample of commercial gas condensate gave the

Fantastic news! We've Found the answer you've been seeking!

Question:

Ten replicate analyses of the concentration of mercury in a sample of commercial gas condensate gave the following results:
23.3 22.5 21.9 21.5 19.9 21.3 21.7 23.8 22.6 24.7 ng ml−1

Calculate: the mean, standard deviation, relative standard deviation and 99% confidence limits of the mean.

Related Book For answer-question

An Introduction to Statistical Methods and Data Analysis

ISBN: 978-1305269477

7th edition

Authors: R. Lyman Ott, Micheal T. Longnecker

See More Books

Posted Date: Apr 10, 2022 10:58 PM

See More Questions

The concentration of mercury in a lake has been monitored for a number of years. Measurements taken on a weekly basis yielded an average of 1.20 mg/m3 (milligrams per cubic meter) with a standard...
Calculate the relative standard deviation in the computed molar concentration of 0.0200 M HCl if this acid was standardized against the masses found in Example 16-1 for (a) TRIS, (b) Na2CO3, and (c)...
Calculate confidence limits on the mean effect size computed in the previous exercise. Bloch Panza, Landeros-Weisenberger, Leckman (2009) conducted a meta-analysis on the treatment of...
The data in CPU reflect the annual values of the consumer price index for all urban consumers (CPI-U) in the United State over the 54-year period 1965 through 2018, using 1982 through 1986 as the...
Nackawic Ltd. (Nackawic) imports novelty items from China and sells them to dollar stores, novelty shops, and other low-price retailers in eastern Canada. Recently, the manager of Nackawic's...
Donnas Dairy Free Donuts (DDFD) prepares financial statements on an annual basis and has a December 31, 2023 year-end. On July 1, 2023, DDFD purchased a one-year insurance policy for $24,000 cash....
With reference to Exercise 11.16, find a $90 \%$ confidence interval for $\alpha$. Data From Exercise 11.16 11.16 Recycling concrete aggregate is an important compo- nent of green engineering....
Suppose you have 24 hours per day that you can allocate between leisure and working at a wage of $2 per hour. a. Draw your budget constraint between "leisure hours" on the horizontal axis and...
How can HRMs use metrics to measure the success of the recruiting and selection processes? List 3 metrics that you view as most relevant.
George and Harry Haygood are building contractors who specialize in the construction of private home dwellings, storage warehouses, and small businesses (less than 20,000 sq. ft. of floor space)....
What is the modulus of the resultant force, which when acting on a 5 kg mass produces a modulus acceleration 1.8 m / s2 per plane with an angle of inclination of 35 ?
To maintain trust, the investment management profession must be interdependent with: A. regulators. B. employers. C. investment firms.
Fiduciary duty is a standard most likely to be upheld by members of a(n): A. employer. B. profession. C. not-for-profit body.
High ethical standards are distinguishing features of which of the following bodies? A. Craft guilds B. Trade bodies C. Professional bodies
The proposal for short-term adjustments to the KCPF asset allocation strategy is known as: A. de-risking. B. systematic tactical asset allocation. C. discretionary tactical asset allocation. lsbeth...
A benefit of distributed ledger technology (DLT) favoring its use by the investment industry is its: A. scalability of underlying systems. B. ease of integration with existing systems. C....
A rocket-powered sled moves along a track, eventually reaching a top speed of 241 m/s to the east. It then begins to slow down, reaching a complete stop after slowing down for 3.01 s. What was the...
Suppose you are comparing just two means. Among the possible statistics you could use is the difference in means, the MAD, or the max min (the difference between the largest mean and the smallest...
Refer to Exercise 13.58. Conduct a test using the full regression model to determine whether the depreciation (decrease) in house price per year of age is less than $ 2,500. Give the null hypothesis...
Many of us have been exposed to advertising related to the bioavailability of generic and brand- name formulations of the same drug product. One way to compare the bioavailability of two formulations...
Refer to Exercise 13.58, examine the relationship between the selling price ( in thousands of dollars) of a home and two independent variables, the number of rooms and the number of square feet. Use...
As weight-saving assumes greater importance in automobile design, the replacement of steel parts with polymer-composite substitutes becomes increasingly attractive. Weight can be saved by replacing a...
A method is sought to mould the wide-necked containers show in the image. It suggested that they might be blow-moulded, injection moulded or rotation moulded. The table lists approximate values for...
A light, stiff, strong tie (Fig. E8.1). A tie, of length $L$ loaded in tension, is to support a load $F$, at minimum weight without failing (implying a constraint on strength) or extending...

Ten replicate analyses of the concentration of mercury in a sample of commercial gas condensate gave the

Question:

Expert Answer:

Answer iret Larmple ven hesul 233 225 219 815 199 ... View the full answer

An Introduction to Statistical Methods and Data Analysis

Students also viewed these chemical engineering questions