MPH515 Module 5 Quiz Latest 2021 July

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Due on: 08/10/2021
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MPH515 Epidemiology and Biostatistics for Public Health Application I

Module 5 Quiz  

Question 1The National Health Survey consists of several distinct programs conducted by the National Center for Health Statistics.

True

 False

 Question 2Health insurance statistics provide a generally representative picture of the health status of the U.S. population.

   True

 False

Question 3The Freedom of Information Act exempts (does not allow) the release of personal medical data.

True

 False

 Question 4The Vital Statistics Registration System in the United States collects data on all vital events including:

births, deaths, and fetal deaths.

births.

deaths.

births and deaths.

fetal deaths.

Question 5Which of the following is not one of the four criteria for the quality of epidemiologic data?

   The reason the data are collected

The nature of the data

   The completeness of the data

The availability of the data

Question 6An abrupt drop in mortality due to a specific disease from one year to the next is most likely due to:

fewer older persons dying from chronic diseases each year.

 listing of cause of death by the physician on the death certificate.

   a coding mistake when using the International Classification of Disease (ICD) system.

a change in the International Classification of Disease (ICD) system.

Question 7Which of the following data sources is most likely to provide a representative sample of the general health status of a population?

 Absenteeism data

A morbidity survey of the general population

 Data from public health clinics

 Hospital outpatient statistics

 Question 8What data source has the advantage of being almost complete in the United States?

Birth statistics

All are correct.

Mortality statistics

    Mortality statistics and birth statistics

 Reportable disease statistics

 Question 9 Before utilizing data for an epidemiologic study, the researcher must first consider the:

All are correct.

availability of the data.

 nature of the data.

 completeness of coverage.

 Question 10Information about the cause of death listed on a death certificate may be unreliable because:

   the cause of death may be unclear.

 diagnostic criteria may lack standardization.

 assignment of the cause of death may be arbitrary.

 certain diseases carry a stigma.

 All are correct

Question 11Which of the following statements about the U.S. Census is incorrect?

Attempts to account for every person in the country

 Administers a detailed questionnaire to a subset of the population

 Is called the decennial census and is administered every five years

 Characterizes the population according to demographic variables

 Question 12Which of the following is not a clinical data source?

   Hospital data

 Diseases treated in special clinics

 Data from physicians’ records

 Immunization records of pupils in school

Question 13Morbidity surveys of the general population:

All are correct.

 collect data on the health status of a population group.

 typically use a scientifically designed representative sample.

 include the Health and Nutrition Examination Survey.

Question 14For which of the following sets of variables would you not use a scatterplot in order to show your data?

   An individual’s rating of pain on a scale and the amount of analgesia taken.

The number of people attending a nursing home on a Saturday.

Numbers of children having measles immunization and incidence of measles illness.

 Raised body temperature and level of depression.

 Question 15Which of the following is not recommended when displaying information graphically?

Informative labelling of each axis

 Minimum use of ink

Minimizing the number of distractions

 Use of 3-D effects

 Question 16(Source: www.open.ac.uk) (Links to an external site.)

What does the information in this boxplot tell you about the surviving infants of severe idiopathic respiratory distress syndrome?

The median birthweight is greater than those who died.

The median birthweight is lower for those who died.

 The mean birthweight is higher for those who survived.

 The mean birthweight is lower for those who survived.

Question 17(Source: www.open.ac.uk) (Links to an external site.)

What conclusion can be drawn from this boxplot?

Deaths of SIRDS were higher than survivors.

 More infants with SIRDS survived than died.

 None are correct.

 Infant survival in cases of SIRDS is related to birthweight.

 Review p.145-149 of your textbook for more information on this question.

 Question 18(Source: www.cdc.gov/nchs) (Links to an external site.)

This figure is drawn from Schoenborn, C. A. and Adams, P. F. (2008, May). Sleep duration as a correlate of smoking, alcohol use, leisure-time physical inactivity, and obesity among adults: United States, 2004–2006. Hyattsville, MD: National Center for Health Statistics.

What type of bar charts are shown in the figure?

Stacked bar charts

Clustered bar charts

 Clustered bar charts with error bars

 None of the above

Question 19(Source: www.cdc.gov/nchs) (Links to an external site.)

What conclusion can be drawn from the data provided in this figure in relation to sleep and cigarette smoking?

Those who smoked least slept most.

Those who smoked most slept most.

 Those who smoked least slept least.

 Those who smoked most slept least.

 Question 20What type of graph is this?

   Stacked histogram

   Frequency polygon

    Frequency distribution

Simple histogram

Question 21I collected some data about how much buyers of my book liked it (on a scale of 1 = it’s utter rubbish to 10 = I never read anything else). I ended up with a sample of 15,467 people. When I looked at the distribution, I found a skew of 1.23 (SE = 0.65). The mean rating was 4.78.

What is the z-score for the skew of my data?

3.36

 0.53

 –3.92

   1.89

Question 22What statement best describes what is shown in this graph?

 There were 46 hospital visitors visiting during the week.

  Day 6 has the least number of visitors.

 Day 1 is the most popular day for visiting.

 There were 48 visitors to the hospital in a week.

Question 23What could be done to make the information in this graph more clear?

Use a stacked histogram.

Identify actual days of the week rather than just number.

Use a population pyramid.

 Identify if visitors were male, female or children and who they were visiting.

Question 24(Source: www.cdc.gov/nchs) (Links to an external site.)

What does this graph tell you about those who had five or more drinks in one day?

Those who drank most, slept most.

Those who drank most, slept least.

Those who drank least, slept least.

   None are correct.

 Question 25Which of the following does a box–whisker plot not display?

The lower quartile

The range

The interquartile range

The mean

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