Statistics

Statistics uses quantified models, graphs and sumaties to...

• analize a set of questions or real life

• analize a set of data or real life

• analize a set of questions or hypotesis

Set of techniques and methods that serve to:

Organize

Analyze

Represent

• Statistics

• Inferential Statistics

• Descriptive Statistics

It is a subset of selected members

• Population

• Sample

• Qualitative Data

What type of data is your favorite food

• Nominal

• Ordinal

• Interval

• Ratio

Data types are important in order to apply the correct statistical measurmements.

• True

• False

An example of ratio is:

• Temperature

• Rating of quality

• Age

• Car color

Exam scores are...

• Nominal data

• Interval data

• Ratio data

• Ordinal data

Name the graph

(a)  

Choose the correct concept:

• Is a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width.

• The number of observations is marked with a single point at the midpoint of an interval.

• Is an accurate representation of the distribution of numerical data. It is an estimate of the probability distribution of a continuous variable.

• The graph is divided into sectors, where each sector shows the relative size of each value

Which are Statistical methods?

• Measures of central tendency

• Descriptive

• Quantitative

• Qualitative

• Inferential