Stats Practice quiz.
Statistics Practice Quiz
Test your knowledge of statistics with our comprehensive practice quiz! This quiz consists of 20 questions covering various aspects of statistics, from data types to levels of measurement, perfect for students and professionals alike.
Prepare yourself for your next exam or review your statistical knowledge by:
- Engaging with multiple-choice questions
- Learning key concepts in statistics
- Gaining confidence in your understanding of data analysis
What type of data is the number of robberies reported in your city?
Discrete
Continuous
Qualitative
Attribute
(i) If we select 100 persons out of 25,000 registered voters and question them about candidates and issues, the 100 persons are referred to as the population. (ii) The order that runners finish in a race would be an example of continuous data. (iii) Another name for inductive statistics is descriptive statistics.
(i) and, (ii) are correct statements but not (iii).
(ii) and, (iii) are correct statements but not (i).
(i) and, (iii) are correct statements but not (ii).
(i), (ii) and (iii) are all correct statements.
All statements are false.
The general process of gathering, organizing, summarizing, analyzing, and interpreting data is called
Statistics
Inferential statistics
Levels of measurement
Descriptive statistics
Which word is NOT part of the definition of descriptive statistics?
Presenting
Organizing
Predicting
Analyzing
Colleen Waite, Director of General Canadian Sales, is concerned by a downward sales trend. Specifically, their customer base is stable at 2,200, but they are purchasing less each year. She orders her staff to search for causes of the downward trend by selecting a focus group of 50 customers.
The 2,200 customers represent a census.
The 2,200 customers represent a sample.
The 2,200 customers represent a population.
The 2,200 customers represent an inferential statistic.
What level of measurement are the Centigrade and Fahrenheit temperature scales?
Nominal
Ordinal
Interval
Ratio
Among the many classes held at your college or university, your statistics class has been selected for a study. This one class is referred to as a ______________.
Population
Sample
The incomes of a group of 50 loan applicants are obtained. Which level of measurement is income?
Ratio
Interval
Nominal
Ordinal
A company was studying the demographics of their customers. As part of the study they collected the following variables: gender, marital status, credit rating (low, medium, high), annual income, and age. Which three variables are considered to be qualitative rather than quantitative?
gender, credit rating and marital status
Annual income, gender and age
Annual income, age and credit rating
Credit rating, gender and age
A survey reports consumers' preferred brands of dish soap. What type of data is this called?
quantitative
Discrete
Qualitative
Continuous
The final rankings of the top 20 NCAA college basketball teams are an example of which level of measurement?
Interval
Nominal
Ratio
Ordinal
A market researcher is interested in determining the average income for families in York Region, Ontario. To accomplish this, he takes a random sample of 200 families from the region and uses the data gathered to estimate the average income for families of the entire region. This process is an example of _______.
Descriptive statistics
Inferential statistics
Mutually exclusive events
Qualitative
A student was studying the political party preferences of a university's student population. The survey instrument asked students to identify themselves as a Conservative or NDP. This question is flawed because:
Students generally don't know their political preferences.
The categories are generally mutually exclusive.
The categories are not exhaustive.
Political preference is a continuous variable.
What type of data is the number of litres of gasoline pumped by a filling station during a day?
continuous
Qualitative
Attribute
Discrete
A marketing class of 50 students evaluated the instructor using the following scale: superior, good, average, poor, and inferior. The descriptive summary showed the following survey results: 42% superior, 28% good, 25% average, 5% poor, and 0% inferior.
The instructor's performance was inferior.
No conclusions can be made.
The instructor's performance was great!!!
Most students rated the instructor as poor or average.
The branch of statistics in which data is collected, analyzed and presented in a concise format is called _____________ statistics.
Descriptive
Inferential
If Gallup, Harris and other pollsters asked people to indicate their political party affiliation-Liberal, Conservative or NDP, the data gathered would be an example of which scale of measurement?
Ratio
Nominal
Ordinal
Interval
A company was studying the demographics of their customers. As part of the study they collected the following variables: gender, marital status, credit rating (low, medium, high), annual income, and age. Label the variable gender as qualitative or quantitative, discrete or continuous, and nominal, ordinal, interval, or ratio.
Quantitative, discrete, nominal
Qualitative, continuous, ordinal
Qualitative, continuous, ordinal
Qualitative, discrete, nominal
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