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Methodical recommendation:

Theory

Number Name Description
Number 1. Name Introduction to statistics Description Let us learn about the concept of statistics.
Number 2. Name Collection of data Description Let us learn about the concept of collection of data in statistics.
Number 3. Name Getting the facts sorted out Description Let us learn how to arrange the data.
Number 4. Name Measures of central tendency Description Let us learn the concept of measures of central tendency.
Number 5. Name Arithmetic mean - Raw data Description Let us learn about the concept of arithmetic mean and assumed mean.
Number 6. Name Arithmetic mean - ungrouped frequency distribution Description Let us learn the concept of finding the arithmetic mean of ungrouped frequency distribution.
Number 7. Name Arithmetic mean - grouped frequency distribution Description Let us learn the concept of finding arithmetic mean of grouped frequency distribution.
Number 8. Name Direct method Description Let us learn how to find the mean of grouped frequency distribution using direct method.
Number 9. Name Assumed mean method Description Let us learn the concept of finding the mean using assumed mean method of grouped frequency distribution.
Number 10. Name Step deviation method Description Let us learn how to find the mean of grouped frequency distribution using step deviaton method.
Number 11. Name A special property of arithmetic mean Description Let us learn the special property of the arithmetic mean.
Number 12. Name Mindmap Description Learn the mindmap of the concept of measures of central tendency and arithmetic mean.

Textbook Questions

Number Name Type Difficulty Marks Description
Number 1. Name Multiple choice questions I Type Other Difficulty easy Marks 3 m. Description Select the suitable choice for the given questions.
Number 2. Name Multiple choice questions II Type Other Difficulty easy Marks 2 m. Description Select the suitable choice for the given questions.
Number 3. Name Multiple choice questions III Type Other Difficulty easy Marks 3 m. Description Select the suitable choice for the given questions.
Number 4. Name Two mark example problems I Type Other Difficulty easy Marks 4 m. Description Check your understanding skills in the concept of special property of arithmetic mean.
Number 5. Name Two mark example problems II Type Other Difficulty easy Marks 4 m. Description Practice a problem to find the mean of the given values.
Number 6. Name Two mark exercise problems I Type Other Difficulty easy Marks 4 m. Description Check your understanding skills in the concept of arithmetic mean.
Number 7. Name Two mark exercise problems II Type Other Difficulty easy Marks 4 m. Description Try to answer the given questions.
Number 8. Name Five mark example problems I Type Other Difficulty medium Marks 5 m. Description Try to answer the given questions.
Number 9. Name Five mark example problems II Type Other Difficulty hard Marks 10 m. Description Try to find the mean age of the given data.
Number 10. Name Five mark exercise problems I Type Other Difficulty hard Marks 10 m. Description Try to find the mean using direct method.
Number 11. Name Five mark exercise problems II Type Other Difficulty hard Marks 10 m. Description Practice a problem to find the mean using assumed mean method and step deviation method.

Practice Questions

Number Name Type Difficulty Marks Description
Number 1. Name Calculate the mean Type Other Difficulty easy Marks 2 m. Description Practice a problem to find the mean of the given set of data.
Number 2. Name Determine the height Type Other Difficulty easy Marks 2 m. Description Practice a problem to determine the height of a student using the mean.
Number 3. Name Find the sum of deviations Type Other Difficulty easy Marks 2 m. Description Try to solve the problem by applying the property of arithmetic mean.
Number 4. Name Calculate the mean if each value is decreased Type Other Difficulty easy Marks 2 m. Description Practice a problem to find the mean by applying the property of arithmetic mean.
Number 5. Name Determine the correct average Type Other Difficulty medium Marks 2 m. Description Try to find the correct mean of the given data.
Number 6. Name Determine the mean Type Other Difficulty medium Marks 5 m. Description Check your understanding skills in the concept of finding the mean of ungrouped frequency distribution.
Number 7. Name Find the mean using direct method Type Other Difficulty medium Marks 5 m. Description Try to find the mean of the grouped frequency distribution using direct method.
Number 8. Name Calculate the mean using assumed mean method Type Other Difficulty medium Marks 5 m. Description Try to find the mean of the ungrouped frequency distribution using assumed mean method.
Number 9. Name Find the value of the variable "a" Type Other Difficulty medium Marks 5 m. Description Practice a problem to find the value of the variable "a".
Number 10. Name Determine mean using assumed mean method Type Other Difficulty hard Marks 5 m. Description Check your understanding skills in the concept of finding mean using assumed mean method.
Number 11. Name Calculate the mean using step deviation method Type Other Difficulty hard Marks 5 m. Description Check your understanding skills in the concept of finding mean using step deviation method.
Number 12. Name Find the new arithmetic mean Type Other Difficulty hard Marks 5 m. Description Check your understanding skills in the concept of finding mean using the properties of arithmetic mean.

Key Questions for School Exam Preparation

Number Name Type Difficulty Marks Description
Number 1. Name Find the discarded number Type Other Difficulty easy Marks 1 m. Description Select the suitable choice for the given question.
Number 2. Name Determine the correct mean Type Other Difficulty easy Marks 2 m. Description Practice a problem to find the mean of the given values.

Questions for Teacher Use

Number Name Type Difficulty Marks Description
Number 1. Name Choose the correct answer Type Other Difficulty easy Marks 3 m. Description Select the suitable choice for the given questions.
Number 2. Name Determine the mean and verify it Type Other Difficulty medium Marks 5 m. Description Check your understanding skills in the concept of finding mean using ungrouped data.
Number 3. Name Find the mean and verify it by different methods of solving grouped data Type Other Difficulty hard Marks 5 m. Description Check your understanding skills in the concept of finding the mean using grouped frequency distribution table.
Number 4. Name The arithmetic mean Type Other Difficulty easy Marks 1 m. Description Practice a problem to find the mean of the given values.
Number 5. Name The sum of deviations Type Other Difficulty easy Marks 1 m. Description Check your understanding skills in the concept of special property of arithmetic mean.
Number 6. Name Mean of natural numbers Type Other Difficulty easy Marks 2 m. Description Select the suitable choice for the given questions.

Periodic assessments

Number Name Recomended time: Difficulty Marks Description
Number 1. Name Homework I Recomended time: 00:15:00 Difficulty easy Marks 9 m. Description
Number 2. Name Homework II Recomended time: 00:15:00 Difficulty easy Marks 9 m. Description
Number 3. Name Homework III Recomended time: 00:20:00 Difficulty medium Marks 14 m. Description
Number 4. Name Homework IV Recomended time: 00:25:00 Difficulty medium Marks 18 m. Description
Number 5. Name Revision test I Recomended time: 00:30:00 Difficulty hard Marks 20 m. Description
Number 6. Name Revision test II Recomended time: 00:30:00 Difficulty hard Marks 20 m. Description
Number 7. Name Revision test III Recomended time: 00:40:00 Difficulty hard Marks 30 m. Description
Number 8. Name Periodic Assessment - 3 Recomended time: 00:10:00 Difficulty medium Marks 6 m. Description PA3