Reviewer Statistics

It is a statistical method concerned with the collection, organization, and presentation to make a description of the data.

• Parameter

• Descriptive Statistics

• Inferential Statistics

• Population

It is concerned with the analysis of a sample data leading to prediction, inferences, interpretation, decision, or conclusion about the entire population.

• Parameter

• Inferential Statistics

• Descriptive Statistics

• Population

Which of the following is not an example of Descriptive Statistics?

• A campaign manager analyzes the effect of TV ads on the

  promotion of a senatorial candidate

• The average price of houses in Laguna

• A survey was conducted to know the profile of the respondents

• The guard in the SM Megamall records the number of shoppers for

  the past 15 days.

Population is the totality of all the elements or persons for which one has an interest at a particular time. Which of the following is an example of Population?

• a group of 25 students selected to test a new teaching technique

• the yearly expenditures on food for 10 families

• monthly budget of 20 students in LCUP

• the total machines produced by a factory in one week

Variable is an observable characteristics or phenomena of a

person or object whereby the members of the group or set

vary from one another. Which of the following variable is discrete?

• Outcome in rolling a pair of dice

• Weight of students in private high schools

• Dimensions of a house

• Water temp. of 10 rivers in the Philippines on a given day.

It is used for multiple responses or overlapping categories. The x-axis represents the categories while the y-axis represents the frequencies.

• Line Graph

• Pictograph

• Bar Graph

• Scatter-point Diagram

It is used to show roughly if relationship exists between two variables.

• Line Graph

• Pictograph

• Bar Graph

• Scatter-point Diagram

It is used to show a trend over a period of time. The dots which represent the coordinates between the x and y-axis are traced forming a line.

• Line Graph

• Pictograph

• Bar Graph

• Scatter-point Diagram

Given the following observations; 5, 17, 10, 12, 9, 8, 12, find the mode.

• 12

• 9

• 0

• 6

Given the following observations; 5, 17, 10, 12, 9, 8, 2, find the median.

• 12

• 9

• 0

• 6