UPSKILL MATH PLUS
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Theory
Number | Name | Description |
---|---|---|
Number 1. | Name Introduction to statistics | Description To learn about the concept of statistics and to recall the concept of measures of central tendency. |
Number 2. | Name Arithmetic mean | Description To recall the concept of arithmetic mean and the methods to find it. |
Number 3. | Name Measures of dispersion | Description To learn the different mesures of dispersions. |
Number 4. | Name Deviations from mean, Variance and Standard deviation | Description To learn the concepts of Deviations from mean, Variance and Standard deviation. |
Number 5. | Name Methods to calculate the standard deviation of ungrouped data | Description To learn the methods to calculate the standard deviation of ungrouped data. |
Number 6. | Name Methods to calculate the standard deviation of grouped data | Description To learn the methods to calculate the standard deviation of grouped data. |
Number 7. | Name Direct method to find standard deviation of ungrouped data - Example | Description To understand the direct method to find standard deviation of ungrouped data with an example. |
Number 8. | Name Mean method to find standard deviation of ungrouped data - Example | Description To understand the mean method to find standard deviation of ungrouped data with an example. |
Number 9. | Name Assumed mean method to find standard deviation of ungrouped data - Example | Description To understand the assumed mean method to find standard deviation of ungrouped data with an example. |
Number 10. | Name Step deviation method to find standard deviation of ungrouped data - Example | Description To understand the step deviation method to find standard deviation of ungrouped data with an example. |
Number 11. | Name Mean method to find standard deviation of grouped data - Example | Description To understand the mean method to find standard deviation of grouped data with an example. |
Number 12. | Name Assumed mean method to find standard deviation of grouped data - Example | Description To understand the assumed mean method to find standard deviation of grouped data with an example. |
Number 13. | Name Step deviation method to find standard deviation of grouped data - Example | Description To understand the step deviation method to find standard deviation of grouped data with an example. |
Textbook Questions
Number | Name | Type | Difficulty | Marks | Description |
---|---|---|---|---|---|
Number 1. | Name Multiple choice questions I | Type Other | Difficulty easy | Marks 1 m. | Description Select the suitable choice for the given questions. |
Number 2. | Name Multiple choice questions II | Type Other | Difficulty easy | Marks 1 m. | Description Select the suitable choice for the given questions. |
Number 3. | Name Multiple choice questions III | Type Other | Difficulty easy | Marks 1 m. | Description Select the suitable choice for the given questions. |
Number 4. | Name Multiple choice questions IV | Type Other | Difficulty easy | Marks 1 m. | Description Select the suitable choice for the given questions. |
Number 5. | Name Multiple choice question V | Type Other | Difficulty easy | Marks 1 m. | Description Select the correct choice for the given questions. |
Number 6. | Name Multiple choice question VI | Type Other | Difficulty easy | Marks 1 m. | Description Select the correct choice for the given questions. |
Number 7. | Name Multiple choice question VII | Type Other | Difficulty easy | Marks 1 m. | Description Select the correct choice for the given questions. |
Number 8. | Name Two mark example problem I | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 9. | Name Two mark example problem II | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 10. | Name Two mark example problem III | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 11. | Name Two mark exercise problem I | Type Other | Difficulty medium | Marks 4 m. | Description Try to answer the given questions. |
Number 12. | Name Two mark exercise problem II | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 13. | Name Two mark exercise problem III | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 14. | Name Two mark exercise problem IV | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 15. | Name Two mark exercise problem V | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 16. | Name Two mark exercise problem VI | Type Other | Difficulty medium | Marks 2 m. | Description Try to answer the given questions. |
Number 17. | Name Five mark example problem I | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 18. | Name Five mark example problem II | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 19. | Name Five mark example problem III | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 20. | Name Five mark example problem VI | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 21. | Name Five mark example problem V | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 22. | Name Five mark example problem VI | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 23. | Name Five mark example problem VII | Type Other | Difficulty hard | Marks 5 m. | Description Determine the standard deviation of the given problems. |
Number 24. | Name Five mark example problem VIII | Type Other | Difficulty hard | Marks 5 m. | Description Determine the standard deviation of the given problems. |
Number 25. | Name Five mark example problem IX | Type Other | Difficulty hard | Marks 5 m. | Description Determine the standard deviation of the given problems. |
Number 26. | Name Five mark example problem X | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Number 27. | Name Five mark example problem XI | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Number 28. | Name Five mark exercise problem I | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Number 29. | Name Five mark exercise problem II | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Number 30. | Name Five mark exercise problem III | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Number 31. | Name Five mark exercise problem IV | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Number 32. | Name Five mark exercise problem V | Type Other | Difficulty hard | Marks 5 m. | Description Try to answer the given questions. |
Practice Questions
Number | Name | Type | Difficulty | Marks | Description |
---|---|---|---|---|---|
Number 1. | Name Find the largest value | Type Other | Difficulty easy | Marks 2 m. | Description To find the largest value from the data provided. |
Number 2. | Name Find the range of the distribution | Type Other | Difficulty easy | Marks 2 m. | Description To find the range of the given distribution. |
Number 3. | Name Find the standard deviation | Type Other | Difficulty easy | Marks 2 m. | Description To find the standard deviation using the provided information. |
Number 4. | Name Find the variance | Type Other | Difficulty easy | Marks 2 m. | Description To find the variance from the given standard deviation. |
Number 5. | Name Find the range and its coefficient | Type Other | Difficulty medium | Marks 2 m. | Description To find the range and the coefficient of range for the given set of data. |
Number 6. | Name Calculate the standard deviation by direct method | Type Other | Difficulty medium | Marks 5 m. | Description To calculate the standard deviation by direct method for the given ungrouped data. |
Number 7. | Name Calculate the standard deviation by mean method | Type Other | Difficulty medium | Marks 5 m. | Description To calculate the standard deviation by mean method for the given ungrouped data. |
Number 8. | Name Calculate the standard deviation by assumed mean method | Type Other | Difficulty medium | Marks 5 m. | Description To calculate the standard deviation by assumed mean method for the given ungrouped data. |
Number 9. | Name Calculate the standard deviation by step deviation method | Type Other | Difficulty medium | Marks 5 m. | Description To calculate the standard deviation by step deviation method for the given ungrouped data. |
Number 10. | Name Determine the standard deviation using mean method | Type Other | Difficulty medium | Marks 5 m. | Description To find the standard deviation of the grouped frequency distribution using mean method. |
Number 11. | Name Find the standard deviation of 'n' natural numbers | Type Other | Difficulty hard | Marks 5 m. | Description To prove the formula to find the variance of 'n' natural numbers. |
Number 12. | Name Determine the standard deviation using assumed mean method | Type Other | Difficulty hard | Marks 5 m. | Description To find the standard deviation of the grouped frequency distribution using assumed mean method. |
Number 13. | Name Find the standard deviation using step deviation method | Type Other | Difficulty hard | Marks 5 m. | Description Check your understanding skills in the concept of finding standard deviation using step deviation method for a grouped data. |
Key Questions for School Exam Preparation
Number | Name | Type | Difficulty | Marks | Description |
---|---|---|---|---|---|
Number 1. | Name Determine the range | Type Other | Difficulty easy | Marks 2 m. | Description Try to find the range. |
Number 2. | Name Find the smallest value | Type Other | Difficulty easy | Marks 2 m. | Description Try to answer the given questions. |
Number 3. | Name Calculate the standard deviation | Type Other | Difficulty hard | Marks 5 m. | Description Try to find the standard deviation. |
Number 4. | Name Find the remaining observation | Type Other | Difficulty hard | Marks 5 m. | Description To find the remaining values of the observations from the data provided. |
Questions for Teacher Use
Number | Name | Type | Difficulty | Marks | Description |
---|---|---|---|---|---|
Number 1. | Name Find the range of the given distribution | Type Other | Difficulty easy | Marks 2 m. | Description To find the range of the given distribution. |
Number 2. | Name Find the new standard deviation | Type Other | Difficulty easy | Marks 2 m. | Description To find the new standard deviation from the given data using the property of standard deviation. |
Number 3. | Name Prove the formula | Type Other | Difficulty medium | Marks 2 m. | Description To prove the formula to find the variance of 'n' natural numbers. |
Number 4. | Name Find the standard deviation using mean method | Type Other | Difficulty hard | Marks 5 m. | Description To find the standard deviation of the grouped frequency distribution using mean method. |
Number 5. | Name Range of the data | Type Other | Difficulty easy | Marks 1 m. | Description Try to find the range. |
Number 6. | Name Standard deviation | Type Other | Difficulty medium | Marks 1 m. | Description Try to answer the given questions. |
Number 7. | Name Variance of the data | Type Other | Difficulty easy | Marks 1 m. | Description Select the correct choice for the given questions. |
Number 8. | Name The variance of the data | Type Other | Difficulty easy | Marks 1 m. | Description Select the correct choice for the given questions. |
Periodic assessments
Number | Name | Recomended time: | Difficulty | Marks | Description |
---|---|---|---|---|---|
Number 1. | Name Homework I | Recomended time: 00:20:00 | Difficulty easy | Marks 4 m. | Description |
Number 2. | Name Homework II | Recomended time: 00:20:00 | Difficulty easy | Marks 5 m. | Description |
Number 3. | Name Homework III | Recomended time: 00:20:00 | Difficulty easy | Marks 10 m. | Description |
Number 4. | Name Homework IV | Recomended time: 00:25:00 | Difficulty medium | Marks 8 m. | Description |
Number 5. | Name Homework V | Recomended time: 00:25:00 | Difficulty medium | Marks 15 m. | Description |
Number 6. | Name Homework VI | Recomended time: 00:25:00 | Difficulty medium | Marks 15 m. | Description |
Number 7. | Name Homework VII | Recomended time: 00:25:00 | Difficulty medium | Marks 15 m. | Description |
Number 8. | Name Homework VIII | Recomended time: 00:25:00 | Difficulty medium | Marks 15 m. | Description |
Number 9. | Name Homework IX | Recomended time: 00:25:00 | Difficulty hard | Marks 20 m. | Description |
Number 10. | Name Revision test I | Recomended time: 00:25:00 | Difficulty medium | Marks 20 m. | Description |
Number 11. | Name Revision test II | Recomended time: 00:35:00 | Difficulty medium | Marks 9 m. | Description |
Number 12. | Name Revision test III | Recomended time: 00:40:00 | Difficulty hard | Marks 15 m. | Description |
Number 13. | Name Revision test IV | Recomended time: 00:45:00 | Difficulty hard | Marks 20 m. | Description |
Number 14. | Name Revision test V | Recomended time: 00:45:00 | Difficulty hard | Marks 11 m. | Description |
Number 15. | Name Revision test VI | Recomended time: 00:45:00 | Difficulty hard | Marks 11 m. | Description |
Number 16. | Name Revision test VII | Recomended time: 00:45:00 | Difficulty hard | Marks 12 m. | Description |
Number 17. | Name Periodic Assessment | Recomended time: 00:15:00 | Difficulty medium | Marks 4 m. | Description PAT 2 |
Number 18. | Name Periodic Assessment - Extended version | Recomended time: 00:10:00 | Difficulty medium | Marks 2 m. | Description |
Number 19. | Name Periodic Assessment - 3 | Recomended time: 00:10:00 | Difficulty medium | Marks 1 m. | Description PA3 |