Virginia Tech Chem Lab 1045 Final Exam
Questions Fully Solved.
what does linear regression show - Answer the general relationship between the two variable
R^2 value shows what - Answer how closely your data fit your regression model on a scale of
0-1 with 1 being a closer/better fit to your data
reasons for using citations - Answer - provide rationale to let the reader know where to find
data and courtesy locate reliable source
- avoid plagiarism and comply with ethics and copyright laws
filler words - Answer Basically, absolutely, actually, sort of, kind of, in a sense, very, only, really,
i think that, like
wordy phrases - Answer the reason for (shorten to because), despite the fact that (shorter to
although)
jargon - Answer nonsensical talk; specialized language - "anterior" instead of "front"
simple past for go, run and apply - Answer went, ran and applied
simple present for go, run, and apply - Answer goes, runs, and applies
active voice - Answer the subject of the sentence completes the action
passive voice - Answer the subject of the sentence receives action
Many cell lines were accidentally contaminated during the course of the experiment (active or
passive) - Answer passive
During the course of their experiment, they contaminated their liver cell line with lung cells
(active or passive) - Answer active
, cherry picking data - Answer the practice of selectively presenting data to tell a particular story
that is beneficial to you
scale manipulation - Answer choosing a scale for an axis on a graph that is too big or too small
relative to the scale chosen for the other axis
Unit manipulation - Answer choosing more advantageous units to influence the reader's
impression of the data
most accurate measurement tool - Answer volumetric flask
least accurate measurement tool - Answer beaker
volumetric glassware - Answer glassware that can be used to measure
non-volumetric glassware - Answer can't be used to measure
the 3 volumetric tools - Answer burette, pipette, and volumetric flask
how to use a bunsen burner - Answer 1. open gas jet valve to full on position
2. turn the gas adjustment knob until the gas hisses
3. use striker to ignite the gas
4. unscrew barrel to allow more air to flow
plagiarism - Answer taking credit for someone else's writing or ideas
falsification - Answer manipulating data
fabrication - Answer making up data
duplicate submission - Answer turning in the same thing as someone else
Questions Fully Solved.
what does linear regression show - Answer the general relationship between the two variable
R^2 value shows what - Answer how closely your data fit your regression model on a scale of
0-1 with 1 being a closer/better fit to your data
reasons for using citations - Answer - provide rationale to let the reader know where to find
data and courtesy locate reliable source
- avoid plagiarism and comply with ethics and copyright laws
filler words - Answer Basically, absolutely, actually, sort of, kind of, in a sense, very, only, really,
i think that, like
wordy phrases - Answer the reason for (shorten to because), despite the fact that (shorter to
although)
jargon - Answer nonsensical talk; specialized language - "anterior" instead of "front"
simple past for go, run and apply - Answer went, ran and applied
simple present for go, run, and apply - Answer goes, runs, and applies
active voice - Answer the subject of the sentence completes the action
passive voice - Answer the subject of the sentence receives action
Many cell lines were accidentally contaminated during the course of the experiment (active or
passive) - Answer passive
During the course of their experiment, they contaminated their liver cell line with lung cells
(active or passive) - Answer active
, cherry picking data - Answer the practice of selectively presenting data to tell a particular story
that is beneficial to you
scale manipulation - Answer choosing a scale for an axis on a graph that is too big or too small
relative to the scale chosen for the other axis
Unit manipulation - Answer choosing more advantageous units to influence the reader's
impression of the data
most accurate measurement tool - Answer volumetric flask
least accurate measurement tool - Answer beaker
volumetric glassware - Answer glassware that can be used to measure
non-volumetric glassware - Answer can't be used to measure
the 3 volumetric tools - Answer burette, pipette, and volumetric flask
how to use a bunsen burner - Answer 1. open gas jet valve to full on position
2. turn the gas adjustment knob until the gas hisses
3. use striker to ignite the gas
4. unscrew barrel to allow more air to flow
plagiarism - Answer taking credit for someone else's writing or ideas
falsification - Answer manipulating data
fabrication - Answer making up data
duplicate submission - Answer turning in the same thing as someone else
