Exam Prep 6001 Latest Questions With
Complete Correct Answers.
In a study of immune responses to the flu shot during pregnancy, one of the pieces of information
collected about each participant is their pre-pregnancy weight (kg). This is an example of what type of
data? - Answer Continuous
One piece of data we have about the UUS population is the type of mental illness they reported having
had in the past year. Responses are in the variable "mitype" and are summarized below.
What type of mental illness was reported by the largest proportion of students? - Answer None
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of the population has ever used marijuana? - Answer 46.9%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of the population reports never having smoked a cigarette and never using marijuana? -
Answer 46.5%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of students who have used marijuana have ever smoked a cigarette? - Answer 53.1%
Which of the following measures of the "center" of your data is most affected by outliers (very large or
very small data values)? - Answer mean
, Dr. Sharpe just created a histogram of the variable "age" in his data set and noticed that it is very left-
skewed. Thus, he expects that when he calculates the mean and median of age he will find that: -
Answer mean age < median age
If a 10-year-old's height is in the 25th percentile (for his age), that means that: - Answer 25% of 10-
year-olds are shorter than he is (have a smaller height than he does)
The most appropriate measure of variability that should be reported to accompany the mean is the: -
Answer standard deviation (or variance)
For members of the UUS student population who have ever used marijuana, we have the age at which
they first tried marijuana. A boxplot of these ages is below.For these data, the mean age when first tried
marijuana is: - Answer not shown on boxplot
In a study of immune responses to the flu shot during pregnancy, one of the pieces of information
collected about each participant is their self-reported overall health, either "excellent", "good", "fair", or
"poor". This is an example of what type of data? - Answer Ordinal
One piece of data we have about the UUS population is the type of mental illness they reported having
had in the past year. Responses are in the variable "mitype" and are summarized below.
What percentage of the population reported having a moderate or less severe mental illness (i.e.,
moderate or mild or none)? - Answer 92.27%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever").
These two variables are cross-tabulated below.What percent of the population has ever smoked a
cigarette? - Answer 31.5%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of the population reports both having smoked a cigarette and using marijuana? - Answer
24.9%
Complete Correct Answers.
In a study of immune responses to the flu shot during pregnancy, one of the pieces of information
collected about each participant is their pre-pregnancy weight (kg). This is an example of what type of
data? - Answer Continuous
One piece of data we have about the UUS population is the type of mental illness they reported having
had in the past year. Responses are in the variable "mitype" and are summarized below.
What type of mental illness was reported by the largest proportion of students? - Answer None
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of the population has ever used marijuana? - Answer 46.9%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of the population reports never having smoked a cigarette and never using marijuana? -
Answer 46.5%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of students who have used marijuana have ever smoked a cigarette? - Answer 53.1%
Which of the following measures of the "center" of your data is most affected by outliers (very large or
very small data values)? - Answer mean
, Dr. Sharpe just created a histogram of the variable "age" in his data set and noticed that it is very left-
skewed. Thus, he expects that when he calculates the mean and median of age he will find that: -
Answer mean age < median age
If a 10-year-old's height is in the 25th percentile (for his age), that means that: - Answer 25% of 10-
year-olds are shorter than he is (have a smaller height than he does)
The most appropriate measure of variability that should be reported to accompany the mean is the: -
Answer standard deviation (or variance)
For members of the UUS student population who have ever used marijuana, we have the age at which
they first tried marijuana. A boxplot of these ages is below.For these data, the mean age when first tried
marijuana is: - Answer not shown on boxplot
In a study of immune responses to the flu shot during pregnancy, one of the pieces of information
collected about each participant is their self-reported overall health, either "excellent", "good", "fair", or
"poor". This is an example of what type of data? - Answer Ordinal
One piece of data we have about the UUS population is the type of mental illness they reported having
had in the past year. Responses are in the variable "mitype" and are summarized below.
What percentage of the population reported having a moderate or less severe mental illness (i.e.,
moderate or mild or none)? - Answer 92.27%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever").
These two variables are cross-tabulated below.What percent of the population has ever smoked a
cigarette? - Answer 31.5%
Two things we know about the UUS population is whether students have ever smoked a cigarette
("cigever") and whether they have ever used marijuana ("mjever"). These two variables are cross-
tabulated below.
What percent of the population reports both having smoked a cigarette and using marijuana? - Answer
24.9%
