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Question 12 pts
In the ____________ level of measurement, there is an absolute zero point.
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A ______________ consists of all subjects that are being studied.
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____________ statistics is used to make ____________.
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A ____________ variable assumes numerical values that are ____________.
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What level of measurement classifies data into categories with no order or ranking ?
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Rating the quality of a restaurant is an example of the ____________ level of measurement.
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Classifying books as novels, poetry and dictionaries is an example of the ____________ level of measurement.
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A variable that records the hair colors of several persons would be an example of a ____________ variable.
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Based on data from the past, a person expects to pay $ 75 / month in electricity this year. This is an example of ____________ statistics.
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Select the correct statement.
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In ____________ sampling, each element of the population has ____________ chance of being selected.
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What type of sampling technique is being employed if the country is divided into economic classes and a sample is randomly chosen from each class to be surveyed ?
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In an experimental study, the _______________ variable is manipulated to see if that changes the _______________ variable.
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Suppose that some students are lined up in a row and you select the students in even positions.
This is an example of ____________ sampling.
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A confounding variable is:
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In an ____________ study the researcher ____________ variables.
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You ask 4 persons about a new movie and they all liked it; then you conclude that the movie was a big success. This is an example of:
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What type of sampling is being used if Florida is divided into counties and all the persons from some randomly selected counties are surveyed ?
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The amount of money in a bank account is an example of the ____________ level of measurement.
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Which of the following variables is continuous ?
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Descriptive Statistics:
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Inferential Statistics:
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Population:
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Sample:
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Observational study:
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Categorical Variable:
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Continuous Variable:
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Stratified Sampling:
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Interval Level of Measurement:
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Ratio Level of Measurement:
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In ____________ studies, the group that receives the treatment being tested is called the ____________ group.
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A professor reviews the records of all his students and finds that 90 % of them passed the Final Exam. This number is a ____________.
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____________ is the selection of a ____________ from a ____________.
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In both ____________ and ____________ sampling, the first step is to divide the population into subgroups.
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Which of the following is a categorical variable ?
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Which of the following is a discrete variable ?
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The values of discrete variables are obtained by ____________, while the values of continuous variables are obtained by ____________.
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A raffle is an example of ____________ sampling.
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In many clinical trials, a ____________ is administered to the ____________ group.
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____________ variables distort the conclusions of an experiment and undermine its validity.
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Another name for ____________ variable is ____________ variable.
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Drawing conclusions about the ____________ based on sample information is called ____________.
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A researcher is studying the effect of red wine consumption on cholesterol levels. The level of cholesterol is the ____________ variable.
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A study is comparing the academic performance of children from married parents vs divorced parents. This is an example of ____________ study.
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A researcher is testing the elasticity of several materials, under controlled conditions.
Type of material: ____________ variable.
Temperature of the room: ____________ variable.
Elasticity: ____________ variable.
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The prediction of the stock market based on past trends is an example of ____________.
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An advertisement for a pill claims that it "works five times faster". This is an example of ____________.
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A research team is investigating the influence of magnetic fields in the growth of cancer cells in mice. The diet of mice is kept the same in the control and treatment groups. What type of variable is the diet of mice ?
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A professor is studying the phenomenon of cigarette smoking among students in a certain college. He takes a sample of students from the college and finds that 20 % of them smoke. This number (20 %) is a ____________.
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A student is conducting surveys for a class project. To that end, she takes a sample of those students that are near her dormitory. This is an example of ____________ sampling.
Explanation & Answer
Hello there,Hope you are doing great . As promised , i wanted to tell you that i managed to finish the task you requested me to do . I am attaching to this message a Microsoft Office Word (.docx format) file entitled "Statistics Final Answers" which contains the answers.Everything that is written in bold is the question and everything that is highlighted in yellow is an answer.Please take a look over the file and even though i expect all to be correct , in case you have any doubts on any of the questions , just get back to me and i will double check it once more for you.
In the ____________ level of measurement, there is an absolute zero point.
ORDINAL
RATIO
INTERVAL
NOMINAL
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A ______________ consists of all subjects that are being studied.
SAMPLE
POLYNOMIAL
POPULATION
VARIABLE
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____________ statistics is used to make ____________.
INFERENTIAL ------------ PREDICTIONS
DISCRETE ------------ SAMPLES
CONTINUOUS ------------ POPULATIONS
DESCRIPTIVE ------------ VARIABLES
Flag this QuestionQuestion 42 pts
A ____________ variable assumes numerical values that are ____________.
CONTINUOUS ------------ NEGATIVE
DISCRETE ------------ SEPARATED BY GAPS
CATEGORICAL ------------ STRATIFIED
QUALITATIVE ------------ INFERENTIAL
Flag this QuestionQuestion 52 pts
What level of measurement classifies data into categories with no order or ranking ?
INTERVAL
NOMINAL
RATIO
ORDINAL
Flag this QuestionQuestion 62 pts
Rating the quality of a restaurant is an example of the ____________ level of measurement.
INTERVAL
RATIO
NOMINAL
ORDINAL
Flag this QuestionQuestion 72 pts
Classifying books as novels, poetry and dictionaries is an example of the ____________ level
of measurement.
ORDINAL
INTERVAL
NOMINAL
RATIO
Flag this QuestionQuestion 82 pts
A variable that records the hair colors of several persons would be an example of a
____________ variable.
NUMERICAL
DISCRETE
CATEGORICAL
CONTINUOUS
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Based on data from the past, a person expects to pay $ 75 / month in electricity this year.
This is an example of ____________ statistics.
DESCRIPTIVE
INFERENTIAL
CONTINUOUS
DISCRETE
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Select the correct statement.
A POPULATION IS A PORTION OF THE SAMPLE.
SAMPLE AND POPULATION ARE THE SAME THING.
SAMPLE AND POPULATION ARE DISJOINT (HAVE NO ELEMENTS IN COMMON).
A SAMPLE IS A PORTION OF THE POPULATION.
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In ____________ sampling, each element of the population has ____________ chance of being
selected.
SYSTEMATIC ------------ NEGATIVE
RANDOM ------------ EQUAL
CLUSTER ------------ PROPORTIONAL
DISCRETE ------------ DIFFERENT
Flag this QuestionQuestion 122 pts
What type of sampling technique is bei...