Sample in Statistics

It is the branch of applied mathematics dealing with data collection, organization, analysis, interpretation and presentation.

• Algebra

• Trigonometry

• Statistics

• Geometry

What desert had the most amount of votes?

• fruit

• yogurt

• cake

• icecream

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

A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a representative sample?

• The girls in the school.

• 1 classroom for each grade

• All the students in the school.

• The students making a B in math.

What is the total frequency?

• 200

• 215

• 224

• 225

A scientific body of knowledge which deals with collection, presentation, interpretation and analysis of data.

• Probability

• Statistics

• Sequence

• Geometry

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

This is a picture of a 

• Bar chart

• Pie chart

• Line chart

• Column chart

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

• 9

• 20

• 60

• Not enough information