UPSKILL MATH PLUS
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Theory
| Number | Name | Description |
|---|---|---|
| 1. | Introduction | Let us learn the concept of measures of central tendency. |
| 2. | Mean - ungrouped frequency distribution | Let us learn the concept of finding the mean of ungrouped frequency distribution. |
| 3. | Mean - grouped frequency distribution | Get introduced to the concept of finding mean of grouped frequency distribution. |
| 4. | Direct method | Let us learn how to find the mean of grouped frequency distribution using direct method. |
| 5. | Assumed mean method | Let us learn the concept of finding the mean using assumed mean method of grouped frequency distribution. |
| 6. | Step deviation method | Let us learn how to find the mean of grouped frequency distribution using step deviaton method. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Determine the mean using direct method | 1st type - receptive | easy | 3 m. | Try to find the mean of the given data. |
| 2. | Calculate the mean | 2nd type - interpretation | medium | 4 m. | Check your understanding skills in the concept of finding mean using assumed mean method. |
| 3. | Calculate the mean using step deviation method | 2nd type - interpretation | medium | 4 m. | Check your understanding skills in the concept of finding mean using step deviation method. |
| 4. | Find the missing frequencies | 2nd type - interpretation | medium | 4 m. | Try to determine the missing frequencies of the given data. |
| 5. | Determine the value of the frequency 'f' | 2nd type - interpretation | medium | 4 m. | Practice a problem to find the value of the frequency "f". |
| 6. | Find the missing frequency 'x' | 2nd type - interpretation | medium | 4 m. | Check your understanding skills in the concept of assumed mean method. |
| 7. | Find the mean using direct method | 2nd type - interpretation | medium | 4 m. | Try to find the mean of the grouped frequency distribution using direct method. |
| 8. | Find the value of the variable "a" | 2nd type - interpretation | medium | 4 m. | Practice a problem to find the value of the variable "a". |
| 9. | Calculate the mean | 2nd type - interpretation | medium | 4 m. | Check your understanding skills in the concept of finding mean using assumed mean method. |
| 10. | Find the mean weight of the students | 3rd type - analysis | hard | 5 m. | Try to find the mean by the concept of cumulative frequency distribution. |
| 11. | Find the mean number of patients | 3rd type - analysis | hard | 5 m. | Practice a problem to find the mean by step deviation method. |
| 12. | Calculate the mean income of employees | 3rd type - analysis | hard | 5 m. | Practice a problem to find the mean by step deviation method. |
| 13. | Assertion and reasoning: Mean of grouped data | 3rd type - analysis | hard | 5 m. | Choose the correct option for the given statements. |
| 14. | Calculate the mean using step deviation method | 3rd type - analysis | hard | 5 m. | Check your understanding skills in the concept of finding mean using step deviation method. |
| 15. | Determine mean using assumed mean method | 3rd type - analysis | hard | 5 m. | Check your understanding skills in the concept of finding mean using assumed mean method. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Find the lower limit of the class | Other | easy | 3 m. | Try to calculate the lower limit of the class. |
| 2. | Case study: Mean of the grouped data | Other | medium | 5 m. | Try to answer the given questions. |
| 3. | Find the mean and verify it by different methods of solving grouped data | Other | hard | 6 m. | Check your understanding skills in the concept of finding the mean using grouped frequency distribution table. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training test I | 00:20:00 | medium | 11 m. | |
| 2. | Training test II | 00:20:00 | medium | 12 m. | |
| 3. | Training test III | 00:20:00 | hard | 12 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework I | 00:20:00 | medium | 13 m. | |
| 2. | Homework II | 00:25:00 | hard | 15 m. | |
| 3. | Progress test | 00:25:00 | hard | 16 m. |
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