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Statistics EXERCISE 13.2 Solutions
- Q1: Find the mean and variance for the data: 6, 7, 10, 12, 13, 4, 8, 12
- Q2: Find the mean and variance for: First $n$ natural numbers
- Q3: Find the mean and variance for: First 10 multiples of 3
- Q4: Find the mean and variance for the data:
- Q5: Find the mean and variance for the data:
- Q6: Find the mean and standard deviation using short-cut method.
- Q7: Find the mean and variance for the following frequency distribution:
- Q8: Find the mean and variance for the following frequency distribution:
- Q9: Find the mean, variance and standard deviation using short-cut method Height in cms:
- Q10: The diameters of circles (in mm) drawn in a design are given below: Calculate the standard deviation and mean diameter of the circles. [ Hint First make the data continuous by making the classes as 32.5-36.5, 36.5-40.5, 40.5-44.5, 44.5 - 48.5, 48.5 - 52.5 and then proceed.]
Other Exercises for CBSE - Class 11 Mathematics Statistics
Chapters in CBSE - Class 11 Mathematics
Top Tutors who teach Statistics
Top Tutor 
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2 yrs of Exp 
1 student 
29 hrs of classes completed 
400 per hour 
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