Exam (elaborations)
Biostatistics Final Exam (NYU) with 100% correct answers
- Course
- Institution
Biostatistics Final Exam (NYU) with 100% correct answers
[Show more]
Content preview
Biostatistics Final Exam (NYU) with100% correct answers
a sample of 120 employees of a company is selected, and the average age is found to be 37 y/o... -
correct answer ✔✔Statistic
after taking the first exam, 15 of the students dropped the class - correct answer ✔✔parameter
the number of limbs of a 2-year-old tree is 21 - correct answer ✔✔discrete
the height of a 2 y/o maple tree is 28.3 ft - correct answer ✔✔continuous
survey responses of "good, better, best" - correct answer ✔✔ordinal
the body top of eight different giant pandas - correct answer ✔✔interval
the eye color of college students - correct answer ✔✔nominal
the weight of rats (g) in a research project - correct answer ✔✔ratio
use the Sturges' rule as a guide line to find the ideal number of classes when the number of data values
is 148 (log_10 148=2.17) - correct answer ✔✔8
if the standard deviation of a set of data is zero what can you conclude about the set of values - correct
answer ✔✔all values are identical
a sample data set has a mean of 57 and a SD of 11. which of the following sample measurements is most
likely an outlier
a- 26
, b-66
c-72
d-98 - correct answer ✔✔d-98
quartile 3 is the same as the median - correct answer ✔✔false
what is the chance that a fetus will be female
a-0.5
b-0.75
c-0.25
d- cannot be determined - correct answer ✔✔d- cannot be determined
can the SD for a data be negative - correct answer ✔✔no SD is calculation of variability it cannot be
negative
does SD change if the sample size increases? - correct answer ✔✔it depends on the sample
if a sample size is 1 (n=1) could we calculate standard deviation - correct answer ✔✔no, SD is a
calculation of variability, so it cannot be calculated for a single value
normalized data is valuable even when the 0 and 100% are not clearly defined - correct answer ✔✔false
can the mean and median of data equal to zero or negative values - correct answer ✔✔yes, they can
have any value
In a normally distributed data _________% of the population lies within the 1 SD of the mean from both
sides.
a-65
b-68
c-95
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 BukayoSaka120. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now