Can systematic errors occur without the knowledge of the researcher, and do systematic error always a...
Can systematic errors occur without the knowledge of the researcher, and do systematic error always a reflection of a problem with the researcher him/herself.
Homework Answers
Systematic errors are due to imprecision or problems with instruments. If the instrument is good quality then the chances of systematic error is less. These are errors caused by the way in which the experiment was conducted. .Systematic errors can not be eliminated by averaging, they can always be eliminated by changing the way in which the experiment was done. In actual fact though, you may not even know that the error exists.
Add Answer to:
Can systematic errors occur without the knowledge of the
researcher, and do systematic error always a...
QUESTION 3 4 points Save Answer Errors are defined as systematic if they consistently occur for...
QUESTION 3 4 points Save Answer Errors are defined as systematic if they consistently occur for every reaction performed, or as random if they occur accidently for only one reaction. Decide if each of the following errors is systematic or random Doc is in a hurry to start the last titration and uses his Systeatic error pipet bulb to force the measured liquid out of the pipet B.Randomero into the flask. He "blows out" the pipet tip Noke generally reads...
The net income per books of Nancy Jackson Company was determined without knowledge of the errors...
The net income per books of Nancy Jackson Company was determined without knowledge of the errors indicated below. Net Income per Books Year Error in Ending Inventory 2015 $51,400 Overstated $2,960 2016 53,400 Overstated 8,520 2017 55,360 Understated 10,540 2018 57,400 No error 2019 59,300 Understated 2,150 2020 61,250 Overstated 7,750 Prepare a worksheet to show the adjusted net income figure for each of the 6 years after taking into account the inventory errors. Errors in Inventories Net Income Per...
The net income per books of Lisa Anderson Company was determined without knowledge of the errors...
The net income per books of Lisa Anderson Company was determined without knowledge of the errors indicated below. Net Income per Books Year Error in Ending Inventory 2015 $51.700 Overstated $3,250 2016 53,820 Overstated 9,810 2017 55.620 Understated 10,840 2018 57,470 No error 2019 59,670 1,960 Understated Overstated 2020 61,570 7,560 Prepare a worksheet to show the adjusted net income figure for each of the 6 years after taking into account the inventory errors. Errors in Inventories Net Income Per...
Which of the following are errors that can occur when measuring the pH with a glass...
Which of the following are errors that can occur when measuring
the pH with a glass combination electrode?
Which of the following are errors that can occur when measuring the pH with a glass combination electrode? small selectivity for H^+ over other ions uncertainty in the pH of the standard buffer solutions sodium error at high pH junction potential the variable potential of the internal Ag|AgCl reference electrode
Experience shows that errors in DNA typing do occur. Although the proportion of errors occurring in...
Experience shows that errors in DNA typing do occur. Although the proportion of errors occurring in forensic DNA laboratories is perhaps low due to regular proficiency testing, for practical reasons, it may be desirable to have some estimate of error rates for a specific laboratory. Consider, then, a forensic DNA laboratory with n = 300 internal tests. a) What is the distribution of the number of errors occurring in forensic DNA laboratories? Provide name, formula, and parameter(s) of distribution, explicitly....
Cuvettes should be conditioned before using them. There are two possible errors that can occur if...
Cuvettes should be conditioned before using them. There are two possible errors that can occur if this is not done: a) sample can be poured into a cuvette that has water remaining in it; b) sample can be poured into a cuvette that has leftover dye in it. What effect does each of these errors have on the absorbance measurements in the standard curve? (Write complete sentences that describe each error and its effect.)
Problem 4: Errors in medical prescriptions occur and a study examined whether electronic prescribing may help...
Problem 4: Errors in medical prescriptions occur and a study examined whether electronic prescribing may help reduce errors. Two groups of doctors used written prescriptions and had similar error rates before the study. One group switched to e-prescriptions while the other continued to use written prescriptions, and error rates were measured one year later. The results are given in the following table. Error No Error Total Electronic 254 3594 3848 Written 1478 2370 3848 a. Find a 99% confidence interval...
The net income per books of Debra King Company was determined without knowledge of the errors indicated below. Yea...
The net income per books of Debra King Company was determined without knowledge of the errors indicated below. Year 2015 2016 2017 2018 2019 2020 Net Income per Books $48,900 50,950 52,950 55,100 52,170 59,160 Error in Ending Inventory Overstated $ 2,770 Overstated Understated 12.030 No error Understated 1,970 Overstated 8.740 Prepare a worksheet to show the adjusted net income figure for each of the 6 years after taking into account the inventory errors. Net Income Per Books Corrected Net...
Video Assessment Questions 1. What possible errors can occur at Norchem Drug Testing? 2. Which type...
Video Assessment Questions 1. What possible errors can occur at Norchem Drug Testing? 2. Which type of error is of greater concern to Norchem Drug Testing? 3. Norchem Drug Testing tries to ensure that the probability of a false positive is near zero. What type of probability is this? In the context of hypothesis testing, what would we call this probability? 4. Give a scenario other than drug testing that is designed to keep the probability of making a Type...
Knowledge Check 01 Which of the following explain why internal controls can never completely prevent and...
Knowledge Check 01 Which of the following explain why internal controls can never completely prevent and detect errors and frauds? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) The costs of controls always exceed...
QUESTION 3 4 points Save Answer Errors are defined as systematic if they consistently occur for every reaction performed, or as random if they occur accidently for only one reaction. Decide if each of the following errors is systematic or random Doc is in a hurry to start the last titration and uses his Systeatic error pipet bulb to force the measured liquid out of the pipet B.Randomero into the flask. He "blows out" the pipet tip Noke generally reads...
The net income per books of Nancy Jackson Company was determined without knowledge of the errors indicated below. Net Income per Books Year Error in Ending Inventory 2015 $51,400 Overstated $2,960 2016 53,400 Overstated 8,520 2017 55,360 Understated 10,540 2018 57,400 No error 2019 59,300 Understated 2,150 2020 61,250 Overstated 7,750 Prepare a worksheet to show the adjusted net income figure for each of the 6 years after taking into account the inventory errors. Errors in Inventories Net Income Per...
The net income per books of Lisa Anderson Company was determined without knowledge of the errors indicated below. Net Income per Books Year Error in Ending Inventory 2015 $51.700 Overstated $3,250 2016 53,820 Overstated 9,810 2017 55.620 Understated 10,840 2018 57,470 No error 2019 59,670 1,960 Understated Overstated 2020 61,570 7,560 Prepare a worksheet to show the adjusted net income figure for each of the 6 years after taking into account the inventory errors. Errors in Inventories Net Income Per...
Which of the following are errors that can occur when measuring
the pH with a glass combination electrode?
Which of the following are errors that can occur when measuring the pH with a glass combination electrode? small selectivity for H^+ over other ions uncertainty in the pH of the standard buffer solutions sodium error at high pH junction potential the variable potential of the internal Ag|AgCl reference electrode
Cuvettes should be conditioned before using them. There are two possible errors that can occur if this is not done: a) sample can be poured into a cuvette that has water remaining in it; b) sample can be poured into a cuvette that has leftover dye in it. What effect does each of these errors have on the absorbance measurements in the standard curve? (Write complete sentences that describe each error and its effect.)
Problem 4: Errors in medical prescriptions occur and a study examined whether electronic prescribing may help reduce errors. Two groups of doctors used written prescriptions and had similar error rates before the study. One group switched to e-prescriptions while the other continued to use written prescriptions, and error rates were measured one year later. The results are given in the following table. Error No Error Total Electronic 254 3594 3848 Written 1478 2370 3848 a. Find a 99% confidence interval...
The net income per books of Debra King Company was determined without knowledge of the errors indicated below. Year 2015 2016 2017 2018 2019 2020 Net Income per Books $48,900 50,950 52,950 55,100 52,170 59,160 Error in Ending Inventory Overstated $ 2,770 Overstated Understated 12.030 No error Understated 1,970 Overstated 8.740 Prepare a worksheet to show the adjusted net income figure for each of the 6 years after taking into account the inventory errors. Net Income Per Books Corrected Net...
Video Assessment Questions 1. What possible errors can occur at Norchem Drug Testing? 2. Which type of error is of greater concern to Norchem Drug Testing? 3. Norchem Drug Testing tries to ensure that the probability of a false positive is near zero. What type of probability is this? In the context of hypothesis testing, what would we call this probability? 4. Give a scenario other than drug testing that is designed to keep the probability of making a Type...
Knowledge Check 01 Which of the following explain why internal controls can never completely prevent and detect errors and frauds? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.) The costs of controls always exceed...
Most questions answered within 3 hours.
-
A bicyclist starting at rest produces a constant angular
acceleration of 1.10 rad/s2 for wheels that...
asked 8 minutes ago -
The
half-life of a radioactive source is 14.0 minutes. How much time
must elapse before the...
asked 6 minutes ago -
Given P(Ec ) = 0.43, P(F) = 0.52, and P(EF) = 0.18.
Find P( E |...
asked 53 minutes ago -
Consider two empty containers A and B whose volumes are
10mL and 20mL respectively. 1mL of...
asked 56 minutes ago -
QUESTION 6
Determine the linear momentum of a 2,800 kg houseboat going 3
m/s.
9,100 kg.m/s...
asked 1 hour ago -
Jor-el throws a ball upward from the top of a 728 foot building
on the planet...
asked 1 hour ago -
Which of the following will most likely to happen if Federal
Reserve Bank decreases the money...
asked 57 minutes ago -
You’ve just joined the investment banking firm of Dewey,
Cheatum, and Howe. They’ve offered you two...
asked 51 minutes ago -
An air conditioner cools 226 m^3/min of humid air at 36 oC and
98% relative humidity...
asked 50 minutes ago -
Vaughn Manufacturing acquires a coal mine at a cost of $1870000.
Intangible development costs total $354000....
asked 59 minutes ago -
Question 5
What effect would a decrease in
temperature have on pressure, assuming that volume
(T)...
asked 1 hour ago -
Draw the Lewis dot structures for the following molecules. None
of the atoms have a formal...
asked 1 hour ago