Stats Practice quiz.

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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

20 Questions5 MinutesCreated by AnalyzingData405

(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

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.

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, discrete, nominal

Stats Practice quiz.

Statistics Practice Quiz

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