Obtain a histogram of systolic blood pressure, Macroeconomics

Assignment Help:

The data set lowbwt.sav contains information for a sample of 100 low birth weight infants born in two teaching hospitals in Boston. Measurements of systolic blood pressure are saved under the variable name sbp and indications of gender-with 1 representing a male and 0 a female-under the name sex.

(a) Obtain a histogram of systolic blood pressure. Based on the graph, do you think that blood pressure is approximately normally distributed?

(b) Use the Shapiro-Wilks test to check for the normality of blood pressure. Carefully state your conclusion.

(c) Obtain the mean and standard deviation of blood pressure by sex. Write a brief summary of these summary statistics.

(d) Test the null hypothesis that among low birth weight infants, the mean systolic blood pressure for boys is equal to the mean for girls. Use a two-sided test at the 5% level of significance. What do you conclude?

 

 


Related Discussions:- Obtain a histogram of systolic blood pressure

Explain about a model and use of it in economics, Explain about a model and...

Explain about a model and use of it in economics. A model is a simplified demonstration of a real situation which is used to better understand real-life circumstances. The

Senator is considering tax, You are an assistant to a senator who chairs an...

You are an assistant to a senator who chairs an ad hoc committee on reforming taxes on telecommunication services. Based on your research, AT&T has spent over $15 million on relate

Economics 10, The demand for money schedule shows that the quality of money...

The demand for money schedule shows that the quality of money that people want to hold

Determine the value of the goverment expenditure multiplier, Assume that th...

Assume that the economy is characterized by the following structural equations: C = 160 + 0.6 (4 - T) I = 150; G = 150; T = 100. a) Determine the equilibrium output level

Production, mention and explain four factors that determine the volume of p...

mention and explain four factors that determine the volume of production.

Imperfect-information model, According to the imperfect-information model, ...

According to the imperfect-information model, when the price level is greater than the expected price level, output will _____ the natural level of output A) be greater than

Optimal order size, A major component of the costs of many large firms  is ...

A major component of the costs of many large firms  is the cost associated with ordering and holding inventory. If the yearly demand for the good is  D and the size of each order p

Define ndp, The following is the information from the national income accou...

The following is the information from the national income accounts for a hypothetical country: GDP

Eco, illustrate and discuss the implications of various market structures (...

illustrate and discuss the implications of various market structures (competitive and non-competitive)for price determination.

Major union wage settlement, Show the effects on the price level and real G...

Show the effects on the price level and real GDP of a major union wage settlement that significantly increases wages. Is this a supply shock, a demand shock, or both?

Write Your Message!

Captcha
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