117 Answered Questions for the topic biostatistics

#### 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:...
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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...
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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.

05/24/21

#### Anatomy and Physiology

Approximately how many MORE high volume cholecystectomy surgeries were performed in 2007 than 1998?

05/24/21

#### Anatomy and physiology

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

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?

#### 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...
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Biostatistics

05/19/21

#### Which sampling distribution is most appropriate for estimating a mean when the standard error of the mean is NOT known

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

#### 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...
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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...
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#### 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,...
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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

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:...
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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...
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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...
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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...
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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...
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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...
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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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