PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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### Theory

 1 Introduction to statistics 2 Arithmetic mean 3 Measures of dispersion 4 Deviations from mean, Variance and Standard deviation 5 Methods to calculate the standard deviation of ungrouped data 6 Methods to calculate the standard deviation of grouped data 7 Direct method to find standard deviation of ungrouped data - Example 8 Mean method to find standard deviation of ungrouped data - Example 9 Assumed mean method to find standard deviation of ungrouped data - Example 10 Step deviation method to find standard deviation of ungrouped data - Example 11 Mean method to find standard deviation of grouped data - Example 12 Assumed mean method to find standard deviation of grouped data - Example 13 Step deviation method to find standard deviation of grouped data - Example

### Textbook Questions

 1 Multiple choice questions I Difficulty: easy 1 2 Multiple choice questions II Difficulty: easy 1 3 Multiple choice questions III Difficulty: easy 1 4 Multiple choice questions IV Difficulty: easy 1 5 Multiple choice question V Difficulty: easy 1 6 Multiple choice question VI Difficulty: easy 1 7 Multiple choice question VII Difficulty: easy 1 8 Two mark example problem I Difficulty: medium 2 9 Two mark example problem II Difficulty: medium 2 10 Two mark example problem III Difficulty: medium 2 11 Two mark exercise problem I Difficulty: medium 4 12 Two mark exercise problem II Difficulty: medium 2 13 Two mark exercise problem III Difficulty: medium 2 14 Two mark exercise problem IV Difficulty: medium 2 15 Two mark exercise problem V Difficulty: medium 2 16 Two mark exercise problem VI Difficulty: medium 2 17 Five mark example problem I Difficulty: hard 5 18 Five mark example problem II Difficulty: hard 5 19 Five mark example problem III Difficulty: hard 5 20 Five mark example problem VI Difficulty: hard 5 21 Five mark example problem V Difficulty: hard 5 22 Five mark example problem VI Difficulty: hard 5 23 Five mark example problem VII Difficulty: hard 5 24 Five mark example problem VIII Difficulty: hard 5 25 Five mark example problem IX Difficulty: hard 5 26 Five mark example problem X Difficulty: hard 5 27 Five mark example problem XI Difficulty: hard 5 28 Five mark exercise problem I Difficulty: hard 5 29 Five mark exercise problem II Difficulty: hard 5 30 Five mark exercise problem III Difficulty: hard 5 31 Five mark exercise problem IV Difficulty: hard 5 32 Five mark exercise problem V Difficulty: hard 5

### Practice Questions

 1 Find the largest value Difficulty: easy 2 2 Find the range of the distribution Difficulty: easy 2 3 Find the standard deviation Difficulty: easy 2 4 Find the variance Difficulty: easy 2 5 Find the range and its coefficient Difficulty: medium 2 6 Calculate the standard deviation by direct method Difficulty: medium 5 7 Calculate the standard deviation by mean method Difficulty: medium 5 8 Calculate the standard deviation by assumed mean method Difficulty: medium 5 9 Calculate the standard deviation by step deviation method Difficulty: medium 5 10 Determine the standard deviation using mean method Difficulty: medium 5 11 Find the standard deviation of 'n' natural numbers Difficulty: hard 5 12 Determine the standard deviation using assumed mean method Difficulty: hard 5 13 Find the standard deviation using step deviation method Difficulty: hard 5

### Key Questions for School Exam Preparation

 1 Determine the range Difficulty: easy 2 2 Find the smallest value Difficulty: easy 2 3 Calculate the standard deviation Difficulty: hard 5 4 Find the remaining observation Difficulty: hard 5

### Teacher manual

 1 Methodical recommendation