Estimate the proportion of low birth weight infants

Assignment Help Basic Statistics
Reference no: EM13120649

The data set lowbwt contains information for a sample of 100 low birth weight infants born in two hospitals in Boston. Indicators of a maternal diagnosis of toxemia during the pregnancy, a condition characterized by high blood pressure and other potential complications, are saved under the variable name tox.

Analyze the case study by answering the following questions.

1. Give the point estimate of the proportion of low birth weight infants whose mothers experienced toxemia during pregnancy.
2. Estimate the proportion of low birth weight infants whose mothers experienced toxemia during pregnancy. Use 95% confidence level.
3. Doctors think that more than 20% of the infants with low birth weight their mothers experienced toxemia. Is that correct?
4. Test if the proportion of girls' mothers with toxemia is different from the proportion of boys's mothers.
5. Is "toxemia" dependent on "the gender of the baby".

6. Write a report summarizing your conclusions for this study.

Attached dataset:- dataset case study.rar

Reference no: EM13120649

Questions Cloud

Exponential and logarithmic functions question : Please see the attached file for the fully formatted problems. Convert the following equations into logarithmic form:
Normal approximations to binomial probabilities : Normal Approximations to Binomial Probabilities, Mathematics Study Centre was established to help students to solve mathematics and statistics problems
What volume of a 6.16e-2 m potassium hydroxide required : What volume of a 6.16E-2 M potassium hydroxide solution is required to neutralize 19.8 mL of a 0.107 M hydroiodic acid solution.
Real-life models of logarithmic functions : Many different kinds of data can be modeled or measured easily using exponential and logarithmic functions. For example, consider ideal gases:
Estimate the proportion of low birth weight infants : Estimate the proportion of low birth weight infants whose mothers experienced toxemia during pregnancy. Use 95% confidence level.
Describe how you would calculate the odds of winning : Describe how you would calculate the odds of winning the jackpot. Do you think it is worth it to buy a ticket? Why or why not?
Knowledge about exponential and logarithmic functions : You have $380,000 in your bank account. The interest rate in your account is 5%. Solve for the following showing your work: How much interest will you accumulate if interest is compounded annually over the next five years?
Entity-level management accountant : You have been employed as an enty-level management accountant for a little year. You suspect that your immediate supervisor is invloved in a significant fraud involving diverting of company assets to personal use.
What was the final temperature : A 4.70 g nugget of pure gold absorbed 260 J of heat. The initial temperature was 28.0°C. What was the final temperature.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Analysing family monthly gaoline purchases

The average monthly gasoline purchase for a family with 2 cars is 90 gallons. This statistic has a normal distribution with a standard deviation of 10 gallons. A family is chosen at random.

  What percent of freshmen eventually graduate

IS there any evidence that a freshman's chances to graduate may depend upon what kind of high school the student attended? Describe.

  Determining test of independence of attributes

The following data resulted from an experiment to study the effects of leaf removal on the ability of fruit of a certain type to mature:

  Weight reducers international-determine p-value

A new weight-watching company, Weight Reducers International, advertises that those who join will lose, on average, 10 pounds the first two weeks with a standard deviation of 2.8 pounds.

  Ingredients of lp model

In the graphical method, how do you know when a problem is infeasible, unbounded, or when it has multiple optimal solutions? What are the essential ingredients of an LP model? Why is it helpful to understand the characteristics of LP models?

  Descriptive statistics for given data

Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:

  Counting principle and tree diagram

A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard.

  Standard deviation for the united state population

For adults 60 years or older, they found a mean daily intake of 721 mg with a standard deviation of 454 mg. Using these values for the mean μ and standard deviation σ for the U.S. population:

  True average repair time

Is there sufficient evidence for concluding that true average repair time exceeds 200 min? Carry out a test of hypotheses using a significance level of .05.

  Income effect of four earnings management approaches

In a study of how managers attempt to manage earnings, researchers analyzed a sample of 515 earnings- management attempts from a survey of experienced auditors. The frequency of effects is summarized in the table shown. Research question: At α..

  Correct description for empirical rule

A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical. Which of the following statements is ..

  One-way anova test-kruskal-wallis test

Random samples of populations (in thousands) of U.S. cities in three sections of the country are listed. Is there evidence to conclude a difference in means at the 0.001 level of significance?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd