Computer 9th Chap 4 : Topic 2.21 - Maryam Publications

Computer Chapter 4 : Topic 2.21

Advanced Frequency Tables

1 / 5

A student groups exam scores into ranges (0-9, 10-19, 20-29) and counts how many students fall into each group. What has been constructed?

A) Database schema

B) Scatter plot

C) Algorithm flowchart

D) Frequency table

2 / 5

In a frequency table, the interval 30-39 has a frequency of 8. What does this mean?

A) 8 values fall within the range 30 to 39

B) 8 datasets were created

C) 39 students scored above 30

D) 8 students scored exactly 30

3 / 5

Why is a frequency table useful when dealing with large datasets?

A) It deletes unnecessary data

B) It converts data into programs

C) It increases file size

D) It simplifies data interpretation and pattern identification

4 / 5

A dataset contains 200 raw values. After creating a frequency table, a student notices patterns in data distribution. What is the main advantage shown here?

A) Data is permanently deleted

B) Data loses meaning

C) Data becomes encrypted

D) Patterns and trends become easier to identify

5 / 5

Which step is essential when constructing a frequency table from raw data?

A) Increasing screen brightness

B) Randomly deleting values

C) Changing file format to MP3

D) Sorting and grouping data into intervals or categories

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