Statistics Overview Quiz

<p>Height of a person (C)</p> Signup and view all the answers

<p>There is a strong negative linear relationship between the variables. (C)</p> Signup and view all the answers

<p>Abstract data (D)</p> Signup and view all the answers

<p>Data collected from a government census (C)</p> Signup and view all the answers

<p>To make inferences about a population based on sample data. (A)</p> Signup and view all the answers

<p>It is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, organization of data.</p> Signup and view all the answers

<p>Primary data is directly collected for a specific purpose, while secondary data is pre-existing and collected by others.</p> Signup and view all the answers

<p>Qualitative data describes non-numerical qualities, while quantitative data is numerical and can be measured.</p> Signup and view all the answers

<p>A measure of dispersion, such as variance or standard deviation, is used to understand the spread of data points in a dataset.</p> Signup and view all the answers

<p>Correlation measures the strength of a relationship between variables, while regression predicts one variable based on another, both analyzing relationships.</p> Signup and view all the answers

<p>A correlation coefficient of 0 indicates that there is no relationship between the two variables.</p> Signup and view all the answers

<p>Probability measures the likelihood of an event occurring, providing a foundation for inferential statistics and decision-making.</p> Signup and view all the answers

<p>Measuring central tendency helps to identify the center or typical value in a dataset, aiding in data summarization.</p> Signup and view all the answers

<p>Discrete data can only take specific values, while continuous data can take any value within a range.</p> Signup and view all the answers

<p>Statistics is all-pervading because it is applicable in various fields for data analysis and informed decision-making.</p> Signup and view all the answers

<p>The three main types are mean, median, and mode.</p> Signup and view all the answers

A branch of mathematics for collecting, analyzing, and interpreting data.

Type of statistics that presents and describes data meaningfully.

Making inferences about a population based on sampled data.

Data directly collected by the researcher for a specific purpose.

Pre-existing data already collected by others.

Numerical data that can be measured and quantified.

Non-numerical data that describes qualities and characteristics.

Statistical tool for measuring the average of a data set.

Categorical data without a specific order, like gender or marital status.

Ordinal data categorized based on a specific order, such as rankings in a competition.

Numerical data that can only take specific values, like counts.

Numerical data that can take any value within a certain range, like height or weight.

A statistical measure of the strength of a relationship between two variables.

A statistical tool for predicting one variable based on another variable.

Describes the spread of data points in a dataset, including range and standard deviation.

The measure of how likely an event is to occur, ranging from 0 (impossible) to 1 (certain).

A measure of how far a set of numbers is spread out from their average value.

A measure of the amount of variation or dispersion in a set of values.