It can be observed that the difference between two consecutive upper class limits is 2. See also the other exercises or or or Solutions. P is the required point. Click here to study the solutions of or or or or or go to of the page. Find the mean number of days a student was absent.
All the best for better learning of your maths concepts. Find the median, mean and mode of the data and compare them. The topics and sub-topics in Chapter 14 Statistics are given below. Solution Here The value of mid-point x i is very large. Draw two intersecting lines to include an angle of 30°. Also, find the modal size of the surnames. Find the missing frequency f.
This bisector of angle is the locus of the centre of a circle with different radii. Find the mean number of days a student was absent. The branch of mathematics which deals with the representation of data in a meaningful way is known as statistics. The policies were given only to persons with age 18 years onwards but less than 60 years. About the chapter — Statistics Class 10 Maths In the chapter Statistics, the students will be introduced to cumulative frequency tables, graphical representations of data in the form of bar charts graphs , histograms and frequency polygons. Step deviation method is used here as the values of f i, d i are big and also, there is a common multiple between all d i. Also, find the modal size of the surnames.
Solutions of class 10 all subjects, move here to. The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. In fact, the students went a step further by studying certain numerical representatives of the ungrouped data, also called measures of central tendency, namely, mean, median and mode. Daily expenditure in Rs 100-150 150-200 200-250 250-300 300-350 Number of households 4 5 12 2 2 Find the mean daily expenditure on food by a suitable method. Click here to study the solutions of or or or or or go to of the page. The mean pocket allowance is Rs. Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Statistics.
Locate by construction the locus of a point which is : i Equidistant from A and B. About Statistics The modern society is essentially data oriented. Hope we helped you when you were looking for class 10 Maths notes. Which method of finding the mean did you choose? Find the mean of heart beats of the given per minute for these thirty women, by choosing a suitable following method. The numbers of oranges are arranged in different boxes by the fruit seller. Solution: Class Interval Frequency Cumulative frequency 117.
Click on an exercise below to start. Find the modal monthly expenditure of the families. It can be observed that the difference between two class intervals is 1. Length in mm Number or leaves f i Cumulative frequency 117. .
Consider the following distribution of daily wages of 50 workers of a factory. Open it to place the pencil point upto the required length mark. Hence, the value of median is verified. Detailed answers of all the questions in Chapter 14 Maths Class 10 Statistics Exercise 14. See also the other exercises or or or Solutions.
Lifetime in hours Number of lamps 1500-2000 14 2000-2500 56 2500-3000 60 3000-3500 86 3500-4000 74 4000-4500 62 4500-5000 48 Find the median life time of a lamp. The locus of the centre of a circle which touches the circle at the fixed point A on it, is a line joining the points O and A. Age in years 5-15 15-25 25-35 35-45 45-55 55-65 Number of patients 6 11 21 23 14 5 Calculate the mode and mean of the data above. Go back to main page or move to of the page. The following distribution shows the daily pocket allowance of children of a locality. Therefore, class intervals with their respective cumulative frequency can be defined as below. The following table shows the ages of the patients admitted in a hospital during a year.