117 Answered Questions for the topic biostatistics

Biostatistics Math Science Biology

18d

Incidence Rate Question

What is the cumulative incidence and incidence rate of cancer in decimal form?Participant A: • Age: 7• Outcome: CancerParticipant B• Age: 2• Outcome: No CancerParticipant C• Age: 2• Outcome:... more
Biostatistics Science Biology Statistics

07/21/21

What statistical test can I use?

I want to measure the increase of Fetal haemoglobin in patients in a few case studies before and after they use a specific drug. I am taking data from 5 studies, what test can I use and how can I... more
Biostatistics

05/25/21

Interpreting the results of statistical data

A sample of 100 new born babies showed 15% underweight. Write the 95% confidence interval for the population proportion π. Interpret your result.
Biostatistics Science Statistics Anatomy

05/24/21

Anatomy and Physiology

Approximately how many MORE high volume cholecystectomy surgeries were performed in 2007 than 1998?
Biostatistics Science Statistics Anatomy

05/24/21

Anatomy and physiology

What country spends the most on research and development for GERD? Aka gastroesophageal reflux disease
Biostatistics Science Statistics Anatomy

05/24/21

Anatomy and Physiology

What age group of women is most at risk for peptic ulcers?
Biostatistics Science Statistics Anatomy

05/24/21

Anatomy and physiology

In 2006, what region in the U.S had the highest incidence rate of colorectal cancer? Why do you think this was?
Biostatistics Math Science Biology

05/24/21

Using EcoRI, which cuts at 5' GAATTC 3', indicate how many strands would be produced?

5’ A G A A T T C G C T T A A G T C G A C G T A A G C C G G A A T T C C A T T C G A A T T A G 3’ 3’ T C T T A A G C G A A T T C A G C T G C A T T C G G C C T T A A G G T A A G C T T A A T C 5’ Using... more
Biostatistics Statistics

05/14/21

Statistical Inference

In statistical inference, which of the following is NOT considered a random variable?I. 𝑥̅1-𝑥̅2II. μ1–μ2III. 𝑥IV. 𝑥̅V. 𝜇a. II, IIIb. I, II, V c. II, Vd. I, IV, V
Biostatistics Science Biology Chemistry

05/04/21

So no one has helped me with my chemistry homework at all and I really need it so please someone respond and help me as soon as possible

1.) 3 Cu + 8HNO3 g 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of NO can be made when 58 moles of HNO3 are consumed? 2.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation... more
Biostatistics

04/27/21

Statistical Analysis Test

What statistical analysis should I use in SPSS to evaluate/compare the number of Listeriosis illnesses/hospitalizations/deaths to the associated food that caused the outbreak? I have 6 total food... more
Biostatistics Science Biology Chemistry

04/16/21

How agrin and also neuregulin work to maintain muscle viability ?

How agrin and also neuregulin work to maintain muscle viability ?
Biostatistics Statistics

04/13/21

Confidence interval Question

Measurements of gastric secretion of hydrochloric acid (milliequivalents per hour) in 16 normal subjects and 10 subjects with duodenal ulcer yielded the following results: Normal subjects: 6.3,... more

04/06/21

Climate change Solutions

How can we prevent the earth's average temperature from rising by more than 2 ° C to 2100? Any detailed answer would be much appreciated!
Biostatistics

04/03/21

Apply chi-square test to a research article.

Biostatistics Math Biology Statistics

04/01/21

how do i convert 65±5 (Mean±SEM) mmol/g to nmol/g?

Biostatistics

03/28/21

If a randomly sampled individual from this population tests positive, what is the probability that they actually have COVID-19?

Had COVID-19 but tested negative: 4Had COVID-19 and tested positive: 166Did not have COVID-19 but tested positive: 129Did not have COVID-19 and tested negative: 1,218Total adults tested in sample:... more

03/27/21

Which Type of Statistical Test Do I Choose From for Finding Optimum, and How Would I Calculate It?

So currently I am working on a study about carrying concentrations of Aloe vera gel % and how it affects the growth density of probiotics (in OD640 units) to find out which concentration of Aloe... more
Biostatistics Biology Statistics Genetics

02/25/21

Given the progeny, write all possible genotypes for BOTH parents, list the proportion of each progeny type you think the cross must have produced.

SHOW WORK. A single autosomal gene affects fur color in a particular breed of hamster, and there are multiple alleles of this gene in hamster populations. The table below gives each allele... more
Biostatistics Math Statistics Mathematics

01/20/21

Finding the Mean

For the following three questions, a team of psychologists studying narcolepsy (a sleep disorder characterized by sudden nodding off during the day) decided to follow 20 narcoleptic volunteers... more
Biostatistics Statistics Stata Statics

01/19/21

A clinical trial was conducted to evaluate the effectiveness of a test drug and traditional control drug in the treatment of Candida vulvovaginitis.

Treatment n of valid cases n of invalid cases Total Trial group 100 13 113 Control group 80 29 109 Total 180 42 222 H0=H1=a=actual frequency=theoretical frequency=chi square... more
Biostatistics Biology

12/24/20

Smooth muscle contraction- graph!

Hi,I am provided with two experiments, with 2 tables of results, but I am unsure what graph I should use and what I should put on the x and y-axis.In the first experiment, trachea strips are put... more

12/23/20

What is the differential diagnosis of HER2 positive breast cancer ?

What is the differential diagnosis of HER2 positive breast cancer ?

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