WorksheetsBIOSTAT/EPI
Total questions: 50
Worksheet time: 11mins
The commonly used measures of central tendency
Mean
Median
Mode
All of them
The value of most frequent item is
Mean
Mode
Average
Median
A subset of a population is
Number
Variable
Sample
Deviation
The Middle Value of an Ordered Array of Numbers is
MODE
MEAN
MEDIAN
MID-POINT
Which of the Following is not a Measure of Central Tendency ?
PERCENTILE
QUARTILE
STANDARD DEVIATION
MODE
Which disease did Lind investigate while working with British sailors?
Arthritis
Scurvy
Gum Disease
How did Lind test his theory?
He ate lots of fruit
He got sailors to drink lots of water.
He chose twelve sailors and split them into six
groups for a clinical trial
What were the results of Lind's trial?
The sailors eating lemons and oranges recovered quickly
all the sailors recovered
All the sailors eating lemons and oranges stayed unwell.
Edward Jenner cured ......
Cowpox
Smallpox
Who did Edward Jenner first test his vaccination on?
James Phipps
Phillip James
James Apples
What does the word 'vacca' mean?
cow
pig
sheep
duck
Which one did Edward Jenner create?
Inoculations
Vaccinations
The number of hours you spent studying each day during the past week
Nominal
Ordinal
Interval
Ratio
Ethnic group categories of people in a neighborhood.
Nominal
Ordinal
Interval
Ratio
Your friend's score on an intelligence test
Nominal
Ordinal
Interval
Ratio
The temperatures in cities throughout the country that are listed in most newspapers.
Nominal
Ordinal
Interval
Ratio
The number of votes received by the Republican and Democratic candidates for congress in your district in the last election
Nominal
Ordinal
Interval
Ratio
The cell phone listed as third best on an online electronics review website.
Nominal
Ordinal
Interval
Ratio
The birth weights of babies who were born at Wilshire General Hospital last week.
Nominal
Ordinal
Interval
Ratio
Yellow walls in your office and white walls in your boss's office.
Nominal
Ordinal
Interval
Ratio
The amount of the tips left after each meal at a restaurant during a 3-hour period.
Nominal
Ordinal
Interval
Ratio
The Senator's name is Sam Wilson
The Senator is 58 years old.
The years the Senator served are 2000, 2006, and 2012.
A magazine claims the Senator is ranked 7th in the polls.
MONEY
NOMINAL
ORDINAL
INTERVAL
RATIO
COLLEGE ENTRANCE EXAM SCORE
NOMINAL
ORDINAL
INTERVAL
RATIO
TEACHER'S POSITION
NOMINAL
ORDINAL
INTERVAL
RATIO
BEAUTY CONTEST
NOMINAL
ORDINAL
INTERVAL
RATIO
TEMPERATURE IN ARCTIC
NOMINAL
ORDINAL
INTERVAL
RATIO
AGE (YOUNGEST TO OLDEST)
NOMINAL
ORDINAL
INTERVAL
RATIO
BRAND OF PEN
NOMINAL
ORDINAL
INTERVAL
RATIO
SALARY OF SOCIAL WORKER
NOMINAL
ORDINAL
INTERVAL
RATIO
COLOR OF GUMAMELA FLOWER
NOMINAL
ORDINAL
INTERVAL
RATIO
AGE
NOMINAL
ORDINAL
INTERVAL
RATIO
HAIR COLOR OF WOMEN
NOMINAL
ORDINAL
INTERVAL
RATIO
RATINGS OF A MOVIE "1 TO 3 TO 5 STARS"
NOMINAL
ORDINAL
INTERVAL
RATIO
IQ TEST RESULT
NOMINAL
ORDINAL
INTERVAL
RATIO
Descriptive statistics involves...
collection, presentation, and description of sample data
the technique of interpreting the values resulting from the descriptive techniques and making decisions and drawing conclusions about the population
attempting to provide incorrect information and provide misleading graphs
using information, numbers, and graphics even when data can't be collected
Inferential statistics involves...
collection, presentation, and description of sample data
the technique of interpreting the values resulting from the descriptive techniques and making decisions and drawing conclusions about the population
attempting to provide incorrect information and provide misleading graphs
using information, numbers, and graphics even when data can't be collected
A variable (or response variable) is
a characteristic of interest about each individual element of a population or sample
a characteristic that is irrelevant to the collection of the data
a characteristic that changes when the data is collected
a characteristic or trait that will be ignored in a sample population
Data is...
a planned activity whose results yield a set of data
a numerical value that summarizes all of the data of an entire population
the set of values collected from the variable from each of the elements that belong to the sample
A numerical value summarizing the sample data
A nominal variable...
is a qualitative variable that characterizes, describes, or names an element of a population
is a qualitative variable that incorporates an ordered position, or ranking
a quantitative variable that can assume a countable number of values, in other words, there is a gap between any two values
a quantitative variable that can assume an uncountable number of values, in other words, it includes every possible value between any two values
An ordinal variable...
is a qualitative variable that characterizes, describes, or names an element of a population
is a qualitative variable that incorporates an ordered position, or ranking
a quantitative variable that can assume a countable number of values, in other words, there is a gap between any two values
a quantitative variable that can assume an uncountable number of values, in other words, it includes every possible value between any two values
A discrete variable...
is a qualitative variable that characterizes, describes, or names an element of a population
is a qualitative variable that incorporates an ordered position, or ranking
a quantitative variable that can assume a countable number of values, in other words, there is a gap between any two values
a quantitative variable that can assume an uncountable number of values, in other words, it includes every possible value between any two values
A continuous variable...
is a qualitative variable that characterizes, describes, or names an element of a population
is a qualitative variable that incorporates an ordered position, or ranking
a quantitative variable that can assume a countable number of values, in other words, there is a gap between any two values
a quantitative variable that can assume an uncountable number of values, in other words, it includes every possible value between any two values
