BIOSTATS HCD300 1-4 QUESTIONS WITH VERIFIED
ANSWERS 2026
Place the following operations into the proper order in which they would be performed. -
Answers - 1) parenthesis 2) exponents 3) multiplication 4) addition
Which of the following refers to the type of statistical methods used to organize and
describe the characteristics of a dataset? - Answers - Descriptive statistics
Which of the following refers to the type of statistical methods used to draw conclusions
about the population based on a sample? - Answers - Inferential Statistics
What does the notation ∑ mean? - Answers - Sum
What is a function in Excel? - Answers - A predefined formula
True or False, the misuse of statistics is always intentiona - Answers - False
According to our class lecture, which of the following is not a way that statistics may be
misleading? - Answers - Skewed Curves
In Excel, which of following functions adds a set of numbers - Answers - SUM
You collect blood pressure readings from 150 patients. What type of data is this? -
Answers - Quantitative
A ________ is a subgroup of people taken from the ________ that you wish to study. -
Answers - Sample, Population
Which of the following is an example of a continuous variable? - Answers - Family
Income
Jennifer is thinking of moving into a new neighborhood that is closer to campus. Before
signing a lease, she checks the number of robberies in the neighborhood. What type of
variable is the number of robberies reported in the neighborhood during the last year? -
Answers - Discrete
In statistics, what does the letter "n" represent? - Answers - sample size
Calculate the mean of the following set of scores:
10, 15, 12, 18, 19, 16, 12 - Answers - 14.57
, What is the term associated with scores that are at the extreme ends of the distribution?
- Answers - Outliers
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 _________? -
Answers - Range
What is the range of the following set of scores?
10, 15, 12, 18, 19, 16, 12 - Answers - 9
What is the standard deviation (s) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 - Answers - 3.36
What is the variance (s2) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 - Answers - 11.29
When using the AVERAGE function in Excel, which of the following are you calculating?
- Answers - Mean
Which measure(s) of central tendency is(are) affected by outliers? (Choose one or
more) - Answers - Mean
True or False, the sum of the deviations from the mean will always equal 0. - Answers -
True
What is obtained by squaring the standard deviation? - Answers - Variance
Which of the following is concerned with monitoring estimates of present performance
and predictions of future performance? - Answers - Criterion validity
High school class rank is highly correlated with college GPA. This is an example of what
type of validity? - Answers - Predictive validity
Which of the following descriptive statistics can be used for interval data? (choose one
or more) - Answers - mean, mode, standard deviation, variance
A survey for kindergartners asked about their favorite color. The children were asked to
check the box corresponding to blue, red, green, yellow, or orange. What is the scale of
measurement for this question? - Answers - Nominal
What level of measurement is the Centigrade temperature scale? - Answers - Interval
A researcher divided subjects into two groups according to gender and then selected
members from each group for her sample. What sampling method was the researcher
using - Answers - stratified
ANSWERS 2026
Place the following operations into the proper order in which they would be performed. -
Answers - 1) parenthesis 2) exponents 3) multiplication 4) addition
Which of the following refers to the type of statistical methods used to organize and
describe the characteristics of a dataset? - Answers - Descriptive statistics
Which of the following refers to the type of statistical methods used to draw conclusions
about the population based on a sample? - Answers - Inferential Statistics
What does the notation ∑ mean? - Answers - Sum
What is a function in Excel? - Answers - A predefined formula
True or False, the misuse of statistics is always intentiona - Answers - False
According to our class lecture, which of the following is not a way that statistics may be
misleading? - Answers - Skewed Curves
In Excel, which of following functions adds a set of numbers - Answers - SUM
You collect blood pressure readings from 150 patients. What type of data is this? -
Answers - Quantitative
A ________ is a subgroup of people taken from the ________ that you wish to study. -
Answers - Sample, Population
Which of the following is an example of a continuous variable? - Answers - Family
Income
Jennifer is thinking of moving into a new neighborhood that is closer to campus. Before
signing a lease, she checks the number of robberies in the neighborhood. What type of
variable is the number of robberies reported in the neighborhood during the last year? -
Answers - Discrete
In statistics, what does the letter "n" represent? - Answers - sample size
Calculate the mean of the following set of scores:
10, 15, 12, 18, 19, 16, 12 - Answers - 14.57
, What is the term associated with scores that are at the extreme ends of the distribution?
- Answers - Outliers
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 _________? -
Answers - Range
What is the range of the following set of scores?
10, 15, 12, 18, 19, 16, 12 - Answers - 9
What is the standard deviation (s) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 - Answers - 3.36
What is the variance (s2) of the following set of scores?
10, 15, 12, 18, 19, 16, 12 - Answers - 11.29
When using the AVERAGE function in Excel, which of the following are you calculating?
- Answers - Mean
Which measure(s) of central tendency is(are) affected by outliers? (Choose one or
more) - Answers - Mean
True or False, the sum of the deviations from the mean will always equal 0. - Answers -
True
What is obtained by squaring the standard deviation? - Answers - Variance
Which of the following is concerned with monitoring estimates of present performance
and predictions of future performance? - Answers - Criterion validity
High school class rank is highly correlated with college GPA. This is an example of what
type of validity? - Answers - Predictive validity
Which of the following descriptive statistics can be used for interval data? (choose one
or more) - Answers - mean, mode, standard deviation, variance
A survey for kindergartners asked about their favorite color. The children were asked to
check the box corresponding to blue, red, green, yellow, or orange. What is the scale of
measurement for this question? - Answers - Nominal
What level of measurement is the Centigrade temperature scale? - Answers - Interval
A researcher divided subjects into two groups according to gender and then selected
members from each group for her sample. What sampling method was the researcher
using - Answers - stratified
