Histograms are a standard way to graph discrete variables

Data recorded in the sequence in which they are collected and before they are processed or ranked.

contains information on each member of a sample or population individually.

Data sets are organized into tables, and data are displayed using graphs.

In a survey of 200 students, 120 reported owning a smartphone. What is the relative frequency of students owning smartphones?

What is the percentage of students who scored between 70 and 89?

In a factory, 25 out of 100 inspected products were found to be defective. What is the percentage of defective products?

Bar charts can also be used to give a visual comparison of two or more groups.

Pie charts are most effective for summarizing data sets when there are too many different categories

What is the midpoint of the class 20-29?

What is the Class Boundary of Class Limit 5 - 9

Quantitative data can't be displayed in

bars in a histogram are drawn adjacent to each other with ........ between them.

most-used measure of central tendency

better measure when a data set includes outliers.

mean > mode (مهم)

mean < Mode

A shot-put player records the following scores, 16.8 m, 16.9 m, 17.1 m, 17.2 m, 17.8 m, 17.9 m, 18.2 m, 18.3 m, 18.3 m, 18.5 m. Find the 1000 trimmed mean.

what is mode of that 1,1,2,3,4,5,8,7,5,8,6,9,8,2,8