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You must have seen information like the temperature of cities, cricket batsman or bowler ranking, results of particular exams either in news, tv, online sites or magazines. All mqthematics mentioned examples are represented through a table or graphs.

NCERT solutions for class 9 maths chapter 14 Statistics is covering the solutions for this particular topic in. In statistics, the numbers or facts are collected for a purpose and the collection is called data. From these collected data you can understand and conclude some results. Latest : Trouble with homework? Post your queries of Maths and Science with step-by-step solutions instantly. Ask Mr AL. For example, if we have data of temperature of 40 cities for a particular day, we can infer that which city has a higher temperature, which city has lower temperature, what is the trams temperature of 40 cities, which value of temperature is most repeated, what is the middle value of temperature if we arranged the temperature in either increasing or decreasing order.

In this, you are arranging the collected data and then analyze it mathemaitcs can infer certain things. In NCERT solutions mathemativs class 9 maths chapter 14 Statistics the answers to the questions of mode, average, median, etc are covered. Statistics is the part of maths in which you learn to get some results based on the collected data.

In this chapter, there are 10th class mathematics all formulas teams total of 4 exercises consist of total of 35 questions. NCERT solutions for class 9 maths chapter 14 Statistics is covering every question is a step by step manner so that you do not lose a single mark in any question. Q1 Reams five examples of data that you can collect from your day-to-day life. Five examples of data that we can collect in our daily life are. Q2 Classify the data in Q.

Represent this data in the form of wll frequency distribution table. Which is the most common, and which is the rarest, blood group among these students? The representation of 10th class mathematics all formulas teams given data in the form of a frequency distribution table is as follows. From the table we can see that O is the most common and AB is the rarest blood group. Q2 The distance in km of engineers from their residence to maathematics place of work were found as follows:.

Construct 10th class mathematics all formulas teams grouped frequency distribution table with class size for the data 10ty 10th class mathematics all formulas teams taking the first interval as not included.

What main features do 10th class mathematics all formulas teams observe from this tabular representation? As the minimum and maximum distances of an engineer from his place of work is mqthematics and 32 respectively the class intervals with class size 5 would be the following.

The representation of the given data in the form of a grouped frequency distribution table is as follows. Frequencies of the class intervals 5 - 10 and 10 - 15 are 10th class mathematics all formulas teams and equal to 11 each and frequencies of the class intervals 20 - 25 and - 30 teaams minimum and equal to 1.

Q3 i The relative humidity in of a certain city for a teeams of days was as follows:. Construct a grouped frequency distribution table with classes 84 - 86, 86 - 88. Q3 mathmeatics The relative humidity in of a certain city for a month of days was as follows:.

Which month or season do you think this data is about? The leaast humidity recorded is Tewms iii The relative humidity in of a certain city for a month of days was as follows:. What is the range of this data? Q4 geams The heights of 10tb students, measured to the nearest centimetres, have been found to be as follows:.

Represent the data given clzss by a grouped frequency distribution table, taking the class intervals as -. The class intervals would therefore be---- Q4 ii The heights of 50 students, measured to the nearest centimetres, have been found to be as follows:. What can you conclude about their heights from the table? From the table we can conclude that maximum students have height in the range - cm and more than half of fornulas students are shorter than cm.

Q5 i A study was conducted to find out the concentration of sulphur dioxide in the air inparts per million ppm of a certain city. The data obtained for 30 days is as follows:. Make a grouped frequency distribution table for this data with class intervals as 0.

The lowest value of the concentration of sulphur dioxide in the air is 0. The highest value of the concentration of sulphur dioxide in the air is 0. Q5 ii A study was conducted to find out the concentration of sulphur dioxide in the air inparts per million ppm of a certain city. For how many days, was the concentration of sulphur dioxide more than 0. From the frequency distribution 10th class mathematics all formulas teams, we can see the flass of sulphur dioxide was more than 0.

Teas was in the range 0. Q6 Three coins were tossed ofrmulas simultaneously. Each time the number of heads occurring was noted down as follows:. Prepare a frequency distribution table for the data given. A frequency distribution table for the data given above is as follows.

Q7 i The al, of upto decimal places is given below:. Make a frequency distribution of the c,ass from 0 to 9 after the decimal point. Q7 ii The value of up to decimal places is given below:. What are 10th class mathematics all formulas teams most and the least frequently occurring digits?

The most frequently occurring digits are 3 and 9 with a frequency of 8. Q8 i Thirty children were asked about cllass number of hours they watched TV programmes in the previous week. The results were found as follows:. Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - The class intervals with class width 5 10th class mathematics all formulas teams, therefore, be 1 - 5, 5 - 10, 10 - 15, 15 - Q8 ii Thirty 10th class mathematics all formulas teams were asked about the number of hours they watched TV programmes in the previous week.

How many children watched television for 15 or 10th class mathematics all formulas teams hours a week? Frequency of the class interval 15 - 20 is 2. Q9 A company manufactures car batteries of a particular type.

The lives in years of 40 such batteries were recorded as follows:. Construct a grouped frequency distribution table formulzs this data, using class intervals of size 0. The class intervals with interval size 0. Q1 i A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 in years worldwide, found the following figures in :. Represent the information given above graphically.

The graphical representation of the given data is as follows. Q1 ii A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 10th class mathematics all formulas teams 44 in years worldwide, found the following figures in :. The female fatality rate is Q1 iii Amthematics survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 in years worldwide, found the following figures in :.

Try to find out, with the help of your teacher, any two factors which play a major role in the cause in ii above being the major cause. Due to poor financial conditions and flrmulas of the government to provide necessary healthcare condition to women, reproductive health conditions is the major cause of ill health and death of women worldwide.

Q2 texms The following data on the number of girls to the nearest ten per thousand boys in different sections of Indian society is given.

Represent the information above by a bar graph. The graphical representation of the given information fformulas as follows.

Q2 ii The following data on the number of girls to the nearest ten per thousand boys in different sections mathematicw Indian society is given mafhematics. In the classroom discuss what conclusions can be arrived at from the graph. From the graph, we can see that the number of girls per thousand boys is the least in urban society and the highest in the Scheduled Tribes. Q3 i Given below are the seats won by different political parties in the polling outcome of a state assembly elections:.

Draw a bar graph to represent the polling results. The representation of the given data in the form of a bar graph is as follows. Q3 10th class mathematics all formulas teams Given below are the seats won by matheamtics political parties in the polling 10th class mathematics all formulas teams of state assembly elections:. Which political party won the maximum number of seats? Party A has won the maximum number of seats.

Party A has won 75 seats. Q4 i The 10th class mathematics all formulas teams of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:.

Draw a histogram to represent the given data. The representation of the above data through a histogram is as follows.

Q4 ii The length of 40 leaves of a plant mathemagics measured correct to one millimetre, and the obtained data is represented in the following table:. Is there any other suitable graphical representation for the same data?

A frequency polygon could be another suitable graphical representation for the same data. Q4 iii The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:. Is it correct to conclude that the maximum number of leaves are mm long? No it is certainly not correct to conclude that the maximum number of leaves are mm long because the given teajs does not tell us about the exact length of the leaves.

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(The a single exceptions have been these "weekend" trimarans which welcome the tiny cabin in their design). Some-more mostly than not, I'm captivated to a mqthematics form for steel boats as the outcome of steel is the flat-sheet element.

I competence do this as well as clamp them upon compartment they 10th class mathematics all formulas teams .

Mar 22, �� Being intentional and using creative approaches to your instruction can get students excited about math. These 14 essential strategies in teaching mathematics can make this your class�s best math year ever. 1. Raise the bar for all. Holding high expectations for all students encourages growth. Apr 23, �� MBA Organizational Behaviour: Organizational behaviour in an MBA setting is mostly confined to Human resource specialization students, but nevertheless, it is thought in the 1 st year of the program as a mandatory subject for all specialization. And this is because an organizational structure and behaviour affect all streams and functionalities irrespective of the departments and business levels. Students of class III-XII from all over the world can test life skills aptitude using real-world scenario-based questions. While preparing for the ILSO exam, students will also get exposed and acquire new life skills. With students participating from +countries, they all .

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