BIOSTATS MIDTERM REVIEW WITH ALL CORRECT &
100% VERIFIED ANSWERS/ALREADY GRADED A+
(UPDATED TO PASS)
A health-focused radio show wants to determine what percentage of people in the Phoenix area are
taking cholesterol medication. They ask listeners to call in and report whether or not they are taking
cholesterol medication. What type of bias might be a problem? Correct answer-Selection
Which of the following would be used to describe the type of statistical methods used to organize
and describe the characteristics of a collection of data? Correct answer-Descriptive statistics
In Excel, after you hit Enter or click Okay, where will the results of the formula appear? Correct
answer-In the selected cell
What is obtained by squaring the standard deviation? Correct answer-Variance
According to the syllabus, how many homework grades do you get to drop in this course? Correct
answer-2
You collect blood pressure readings from 150 patients. What type of data is this? Correct answer-
Quantitative
Place the following operations into the proper order in which they would be performed. Correct
answer-Paranthesis, Exponents, Multiplication, Addition
In the formula for computing the mean, what does the letter "n" represent? Correct answer-
Sample size
What is the variance (s2) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 Correct answer-11
According to our class lecture, which of the following is not a way that statistics may be misleading?
Correct answer-Skewed curves
When subtracting the largest number in a distribution from the smallest, what type of variability is
being calculated? Correct answer-Range
Calculate the mean of the following set of scores:
10, 15, 12, 18, 19, 16, 12 Correct answer-14
Which of the following measures of central tendency is not affected by outliers? Correct answer-
Mode
Researchers want to determine how many times per week people walk their dogs. They select a
representative sample of 250 dog owners and ask them about their dog walking habits over the last
year. What type of bias might be a problem? Correct answer-Recall
True or False, the misuse of statistics is always intentional. Correct answer-False
, According to the course schedule, which of the following statistical topics will not be covered in this
course. Correct answer-Discriminant function analysis
True or False, the sum of the deviations from the mean will always equal 0. Correct answer-True
What is the range of the following set of scores?
10, 15, 12, 18, 19, 16, 12 Correct answer-9
What is the term associated with scores that are at the extreme ends of the distribution? Correct
answer-Outliers
What term is used to describe the science of organizing and analyzing information? Correct
answer-Statistics
When using the AVERAGE function in Excel, which of the following are you calculating? Correct
answer-Mean
What does the notation ∑ mean? Correct answer-Sum
In Excel, which of following formulas adds a range of numbers? Correct answer-SUM
The three measures of variability commonly used to reflect the spread or dispersion in a group of
scores are the standard deviation, the variance, and the _________? Correct answer-Range
Which of the following would be used to describe the type of statistical methods used to make
inferences about the population based on a sample? Correct answer-Inferential Statistics
What is the standard deviation (s) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 Correct answer-3
A ________ is a subgroup of people taken from the ________. Correct answer-Sample, population
What is a function in Excel? Correct answer-A predefined formula
True or False, as long as you submit your own assignment, you can work on your homework with a
group. Correct answer-True
True or False, a Venn Diagram shows only the areas of difference between two sets of information.
Correct answer-False
If the Pearson correlation coefficient between two variables is .6, what is the coefficient of
determination? Correct answer-0
What is the possible range of values for a correlation coefficient? Correct answer--1.0 to 1.0
Researchers study the relationship between hours spent playing video games and GPA. They find that
as the number of hours spent playing video games increases, GPA decreases. What type of
relationship is this? Correct answer-Negative Relationship
100% VERIFIED ANSWERS/ALREADY GRADED A+
(UPDATED TO PASS)
A health-focused radio show wants to determine what percentage of people in the Phoenix area are
taking cholesterol medication. They ask listeners to call in and report whether or not they are taking
cholesterol medication. What type of bias might be a problem? Correct answer-Selection
Which of the following would be used to describe the type of statistical methods used to organize
and describe the characteristics of a collection of data? Correct answer-Descriptive statistics
In Excel, after you hit Enter or click Okay, where will the results of the formula appear? Correct
answer-In the selected cell
What is obtained by squaring the standard deviation? Correct answer-Variance
According to the syllabus, how many homework grades do you get to drop in this course? Correct
answer-2
You collect blood pressure readings from 150 patients. What type of data is this? Correct answer-
Quantitative
Place the following operations into the proper order in which they would be performed. Correct
answer-Paranthesis, Exponents, Multiplication, Addition
In the formula for computing the mean, what does the letter "n" represent? Correct answer-
Sample size
What is the variance (s2) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 Correct answer-11
According to our class lecture, which of the following is not a way that statistics may be misleading?
Correct answer-Skewed curves
When subtracting the largest number in a distribution from the smallest, what type of variability is
being calculated? Correct answer-Range
Calculate the mean of the following set of scores:
10, 15, 12, 18, 19, 16, 12 Correct answer-14
Which of the following measures of central tendency is not affected by outliers? Correct answer-
Mode
Researchers want to determine how many times per week people walk their dogs. They select a
representative sample of 250 dog owners and ask them about their dog walking habits over the last
year. What type of bias might be a problem? Correct answer-Recall
True or False, the misuse of statistics is always intentional. Correct answer-False
, According to the course schedule, which of the following statistical topics will not be covered in this
course. Correct answer-Discriminant function analysis
True or False, the sum of the deviations from the mean will always equal 0. Correct answer-True
What is the range of the following set of scores?
10, 15, 12, 18, 19, 16, 12 Correct answer-9
What is the term associated with scores that are at the extreme ends of the distribution? Correct
answer-Outliers
What term is used to describe the science of organizing and analyzing information? Correct
answer-Statistics
When using the AVERAGE function in Excel, which of the following are you calculating? Correct
answer-Mean
What does the notation ∑ mean? Correct answer-Sum
In Excel, which of following formulas adds a range of numbers? Correct answer-SUM
The three measures of variability commonly used to reflect the spread or dispersion in a group of
scores are the standard deviation, the variance, and the _________? Correct answer-Range
Which of the following would be used to describe the type of statistical methods used to make
inferences about the population based on a sample? Correct answer-Inferential Statistics
What is the standard deviation (s) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 Correct answer-3
A ________ is a subgroup of people taken from the ________. Correct answer-Sample, population
What is a function in Excel? Correct answer-A predefined formula
True or False, as long as you submit your own assignment, you can work on your homework with a
group. Correct answer-True
True or False, a Venn Diagram shows only the areas of difference between two sets of information.
Correct answer-False
If the Pearson correlation coefficient between two variables is .6, what is the coefficient of
determination? Correct answer-0
What is the possible range of values for a correlation coefficient? Correct answer--1.0 to 1.0
Researchers study the relationship between hours spent playing video games and GPA. They find that
as the number of hours spent playing video games increases, GPA decreases. What type of
relationship is this? Correct answer-Negative Relationship
