HSCI 390 - Bio Statistics » Spring 2020 » Lecture Homework 1

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Question #1
A factory calculated the average number of sick days of the 200 workers employed in 2013 was 8 days. Would this best be described as descriptive or inferential statistics? 
A.   Inferential
B.   Descriptive
Question #2
The resting heart rate for the 40 students in an Introduction to Biostatistics class ranged from 65 to 104 beats per minute. Would this best be described as descriptive or inferential statistics? 
A.   Inferential
B.   Descriptive
Question #3
Based on results from a sample of 1,000 students from Biostats University, a researcher claims that the prevalence of diagnosed sleep disorders in U.S. college students is approximately 12%. Would this best be described as descriptive or inferential statistics? 
A.   Descriptive
B.   Inferential
Question #4
"Level of education" (e.g., elementary school, high school, college) would best be classified as which type of data? 
A.   Qualitative
B.   Quantitative
C.   Ranked
Question #5
"Number of traffic tickets you have received" (e.g., 1, 2, 3) would best be classified as which type of data? 
A.   Qualitative
B.   Ranked
C.   Quantitative
Question #6
"Favorite subject" (e.g., biology, psychology, math) would best be classified as which type of data? 
A.   Quantitative
B.   Ranked
C.   Qualitative
Question #7
"The rank of a country in terms of highest infant mortality rate" (e.g., 1st, 2nd, 3rd)  would best be classified as which type of data? 
A.   Qualitative
B.   Quantitative
C.   Ranked
Question #8
"Hours per week spent exercising" (e.g., 2, 5, 10)  would best be classified as which type of data? 
A.   Quantitative
B.   Ranked
C.   Qualitative
Question #9
"Level of anxiety" (e.g., not at all anxious, somewhat anxious, anxious, extremely anxious) can best be described as which of the levels of measurement?
A.   Ordinal
B.   Nominal
C.   Interval/ratio
Question #10
"State of residence" (e.g., California, New York) can best be described as which of the levels of measurement?
A.   Interval/ratio
B.   Ordinal
C.   Nominal
Question #11
"State ranking based on percentage of the population covered by health insurance" (e.g., 1st, 2nd, 43rd) can best be described as which of the levels of measurement?
A.   Interval/ratio
B.   Nominal
C.   Ordinal
Question #12
"Ounces of soda you drink each day" (e.g., 0, 12, 20) can best be described as which of the levels of measurement?
A.   Ordinal
B.   Nominal
C.   Interval/ratio
Question #13
"Amount of calories you consume in a day" would best be described as which type of quantitative variable?
A.   Continuous
B.   Discrete
Question #14
"Number of broken bones you have had" would best be described as which type of quantitative variable?
A.   Discrete
B.   Continuous
Question #15
"Distance that you travel to get to CSUN from home" would best be described as which type of quantitative variable?
A.   Continuous
B.   Discrete
Question #16
"Number of times someone has seen a doctor in the last year" would best be described as which type of quantitative variable?
A.   Discrete
B.   Continuous
Question #17
A researcher is studying the association between gender and the risk of contracting influenza in 2014. The variable "gender" would likely be classified as which of the variables in the study? 
A.   The dependent variable
B.   The independent variable
Question #18
A researcher is investigating whether or not an individual's family history of heart disease has any impact on that individual's likelihood of having a heart attack. The variable "family history of heart disease" would likely be classified as which of the variables in the study? 
A.   The dependent variable
B.   The independent variable

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