59 Answered Questions for the topic biostatistics
What is Histological structure of cartilage? Each cartilage type has different histological structure?
What are the cells involved in Intramembranous ossification?How these cells activated and what are the roles of these cells?and alsoWhat are the cells involved in Endochondral ossification?How... more
How to write perfect scientific essay about bones and cartilages?
Tips and recommendations ?
What is VPO,PO,ILN,MD,VPN in this paragraph?
Pain begins in free nerve endings in the skin it is then propagated by Adelta and C fibers to the dorsal horn of the spinal cord where they synapse on dorsal horn neurons. These dorsal horn neurons... more
How hormones are released into the blood stream by hypothalamic-pituitary structures?
Please help me Is there a short (a short paragraph maybe?) way to explain development of ocular dominance column in human body?
What and how exactly do I need to write to get full mark ? What kind of diagram I should use?
How to label hypothalamic-pituitary structures ?
Hello, here is the hypothalamic-pituitary image I am using to label from A-G : https://ibb.co/G3bY3HyI think answer is A- NeuronsB- Neurosecretory cellsC- Inferior hypophyseal arteryD- Anterior... more
I have a z values statistics question.
A population is normally distributed with µ=36 and δ=10 What is the probability of randomly selecting a value that is greater than 45?I get 18,41%, but on my lecture slides the answer is : Area... more
p values differing amongst two groups in comparison
this is a board exam practice question, so I apologize in advance for leaving out all the details. I don't even know if this is a legitimate study.this was a study based on serum glucose levels... more
Normal distribution and Probability
Say we have GRE scores are normally distributed with mean 500 and standard deviation 100. Find the probability that a randomly selected GRE score is greater than 620. We want to know what’s the... more
Statistics Problem about probability
We have an urn with 1 red ball and 9 yellow balls. We will sample 3 balls form the urn with replacement. What is the probability that we will obtain at least one yellow ball?
How to analyze changes over time statistically
I have narcotic prescription rates for each states for the last 10 years. I want to assess changes over time, but am unsure how to approach the data. I want to know what the general trend is, then... more
Why is P-value < 5x10^-8 chosen as a threshold to reach genome-wide significance?
PLEASE HELP ... i drew a box plot for the distribution 85,85,90,90,90,110,110,110,125 and it looked like a solid box because my median was same as Q1. Is it ok for the median to be the same as Q1??
median =90 Q1 =90 ⁄\ / / Lv / Q3 Lv •—————l‾‾‾‾‾‾‾‾‾‾‾‾‾¯¯¯¯¯¯l———————————————• ... more
How do you conduct a study on humans to determine whether a trait is brought about by environmental or biological/hereditary mechanisms?
In conducting analyses between pairwise comparisons of multiple variables in clinical trials, should clinical researchers use a p-value that is more conservative than 0.05?
Medical Research: What is the advantage of using a competing risk model as opposed to a standard Cox regression?
Statistics experts, what is the best trick or little "story" for remembering the definitions of Type 1 errors and Type 2 errors?
can this be found? or is there not enough information?
Let X be a random variable that represents the number of accidents at an intersection and assume X has a Poisson distribution within mean of 3.8 accidents per month what is the mean number of... more
what is the formula for the false positive and how do i calculate the predictive value positive?
Neuroblastoma is a rare serious but treatable disease. The prevalence of this disease is 6.3%. Study of the screening test for neuroblastoma the VMA test a urine test gave the following... more