Statistics and Data Representation

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

What is the class mark of the third row?

• 24

• 24.5

• 25

• 25.5

According to the portion of the frequency table given, how many people have an MBA?

• 9

• 20

• 60

• Not enough information

What is the total frequency?

• 200

• 215

• 224

• 225

Statistic help us to...

• obtain data and then organize and analyse

• obtain data and then organize, summarize, present, analyze, interpret and reach conclusions

• obtain data and then organize, summarize, present and analyze

• plan studies and experiments

It is a small portion or part of a population.

It is the subgroup, subset or the representative of a population.

• Data

• Population

• Sample

• Variable

It is the science of collection, organization, analysis, interpretation, and presentation of data

• Data

• Statistics

• Qualitative

• Quantitative

Statistics involves data representation

• No

• Yes

• Maybe

• Impossible

We use statistics to make comparisons

• True

• False

Facts or set of information or observation under study.

• Qualitative

• Quantitative

• Data

• Statistics