SCIE 101 Exam 3 Questions & Answers 2024/2025
Which of the following would NOT be considered raw data? - ANSWERSA dictionary definition of a word.
Data analysis can involve many steps, including
A. statistical analysis.
B. filtering.
C. removing bad data.
D. All of these answers - ANSWE...
Which of the following would NOT be considered raw data? - ANSWERSA dictionary definition of a word.
Data analysis can involve many steps, including
A. statistical analysis.
B. filtering.
C. removing bad data.
D. All of these answers - ANSWERSD. all of these answers
When scientists develop explanations for their observations and data, they - ANSWERSuse their
background knowledge.
Why have different scientists interpreted air temperature data differently? - ANSWERSDifferent scientists
analyze the data differently.
A group of scientists is preparing their work for publication. Although they collected 100 data points,
they only used 87 of them in the final analysis. Which of the following approaches should they take in
publishing their data? - ANSWERSThey should publish all the data and describe why they did not use
some data.
If data have been carefully and systematically collected, the analysis will provide only one conclusion and
eliminate any disagreement. - ANSWERSfalse
Scientists might re-analyze data if - ANSWERSnew data analysis techniques became available
Study the graph below. The data shown represents atmospheric CO2 measurements collected over a
period of 36 years. Based on this graph, what trend can you identify about CO2 concentrations in the
atmosphere? - ANSWERSConcentrations of CO2 in the atmosphere are increasing.
, When scientists report uncertainty in their data, they are - ANSWERSquantifying the degree of error and
variability present in the data
The picture below provides an example of - ANSWERSlow accuracy, high precision.
Karl Pearson proposed that uncertainty in scientific measurements - ANSWERSis inherent in nature.
The difference between statistical error and systematic error is best described by which of the following?
- ANSWERSStatistical error is due to random fluctuations, while systematic error is due to an introduced
bias.
Increasing the number of measurements of a value generally increases the confidence one has in that
value. - ANSWERSTrue
When scientists report error in their data, they are - ANSWERSquantifying the variability associated with
their measurements.
When a confidence interval is reported with a measurement, what does it indicate? - ANSWERSthe
probability that a similar result will be found if a study is repeated
The efforts scientists make toward minimizing and measuring error in their research are generally
referred to as - ANSWERSquality assurance/quality control.
Inferential statistics - ANSWERSare used to model patterns in data or make judgments about data.
If a scientific conclusion is shown to be "statistically significant," it means that - ANSWERSthere is a low
probability that the conclusion is due to a random association.
The concept of randomization is best described as - ANSWERSthe assignment of controls or treatments
to minimize confounding variables.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
