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Frequency Tables and Tally Charts — Free MYP1 Mathematics Practice Questions
1QuestionCreating Frequency Tables from Raw DataConcept Practice
2 marks~3 minCriterion A
A class of 12 students was asked how many pets they own. The tally chart shows their answers.
Number of Pets:
Number of Students:
List the number of pets and the frequency for each value to complete the frequency table below. [2]
Number of Pets:
Number of Students:
List the number of pets and the frequency for each value to complete the frequency table below. [2]
| Number of Pets | ___ | ___ | ___ | ___ |
|---|---|---|---|---|
| Frequency | ___ | ___ | ___ | ___ |
Solutions
2QuestionCreating Frequency Tables from Raw DataAssessment Practice
4 marks~6 minCriterion C
A class recorded these 12 test scores:
8, 14, 23, 27, 31, 35, 42, 46, 48, 51, 53, 59
The scores are grouped into three class intervals: 1–20, 21–40, 41–60.
8, 14, 23, 27, 31, 35, 42, 46, 48, 51, 53, 59
The scores are grouped into three class intervals: 1–20, 21–40, 41–60.
a
Identify which class interval contains the most scores. [1]
b
Describe what the frequency column in a grouped frequency table tells you. [1]
c
A student says the intervals 1–20 and 21–40 together are more useful than 41–60 because they cover more scores. Do you agree? Compare the two groups and give a reason. [2]
Solutions
3QuestionCreating Frequency Tables from Raw DataConcept Practice
2 marks~3 minCriterion A
A class recorded the favourite colours of 20 students as raw data.
a
State one thing a frequency table does to raw data. [1]
b
Describe how a frequency table helps you read the data more easily. [1]
Solutions
4QuestionReading and Interpreting Frequency DataAssessment Practice
5 marks~8 minCriterion B
The frequency table below shows the number of books read by students in a class.
The number of tallies goes up by odd numbers:
| Books read | 0 | 1 | 2 | 3 | 4 |
|---|---|---|---|---|---|
| Tally | ||| | |||| | |||| ||| | ? | ? |
| Frequency | 3 | 4 | 7 | ? | ? |
The number of tallies goes up by odd numbers:
a
State the missing frequency for 3 books read. [1]
b
State the missing frequency for 4 books read. [1]
c
Calculate the total number of students in the class. Show your working. [3]
Solutions
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