Tiwari Academy Discussion

Mridul Gupta

Asked: February 28, 2023In: Class 10 Maths

During the medical check-up of 35 students of a class, their weights were recorded as follows:

Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula. NCERT Math’s class 10 chapter 14 Page No. 293 Exercise 14.4 Question 2

Kamlesh Kohli

Asked: February 27, 2023In: Class 10 Maths

The following table gives production yield per hectare of wheat of 100 farms of a village.

Change the distribution to a more than type distribution, and draw its ogive. NCERT Mathematics Class 10 Chapter 14 Page No. 293 Exercise 14.4 Question No.3

Kamlesh Kohli

Asked: February 27, 2023In: Class 10 Maths

The following distribution gives the daily income of 50 workers of a factory.

Convert the distribution above to a less than type cumulative frequency distribution and draw its ogive. NCERT Class 10 Chapter 14 Statistics Page No. 293 Exercise 14.4 Question No. 1

girish08

Asked: February 27, 2023In: Class 10 Maths

The distribution below gives the weights of 30 students of a class.

Find the median weight of the students. NCERT Class 10 Mathematics Chapter 14 Statistics Page No. 289 Exercise 14.3 Question No. 7

girish08

Asked: February 27, 2023In: Class 10 Maths

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

Determine the median number of letters in the surnames. Find the mean number of letters in the surnames? Also, find the modal size of the surnames. NCERT Class 10 Math’s Chapter 14 Page No. 289 Exercise 14.3 Question No. 6

girish08

Asked: February 27, 2023In: Class 10 Maths

The following table gives the distribution of the life time of 400 neon lamps:

Find the median lifetime of a lamp. NCERT Class 10 Math’s Chapter 14 Page No. 289 Exercise 14.3 Question No. 5

girish08

Asked: February 27, 2023In: Class 10 Maths

The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :

Find the median length of the leaves. (Hint: The data needs to be converted to continuous classes for finding the median, since the formula assumes continuous classes. The classes then change to 117.5 – 126.5, 126.5 – 135.5, . . ...

girish08

Asked: February 27, 2023In: Class 10 Maths

A life insurance agent found the following data for distribution of ages of 100 policy holders.

Calculate the median age, if policies are given only to persons having age 18 years onwards but less than 60 years. NCERT Class 10 Math’s Chapter 14 Page No. 288 Exercise 14.3 Question No. 3

girish08

Asked: February 27, 2023In: Class 10 Maths

If the median of the distribution given below is 28.5, find the values of x and y.

NCERT Class 10 Mathematics Chapter 14 Page No. 287 Exercise 14.3 Question No. 2

girish08

Asked: February 27, 2023In: Class 10 Maths

The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality.

Find the median, mean and mode of the data and compare them. NCERT Class 10 Maths Chapter 14 Page No. 287 Exercise 14.3 Question 1

During the medical check-up of 35 students of a class, their weights were recorded as follows:

The following table gives production yield per hectare of wheat of 100 farms of a village.

The following distribution gives the daily income of 50 workers of a factory.

The distribution below gives the weights of 30 students of a class.

100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:

The following table gives the distribution of the life time of 400 neon lamps:

The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table :

A life insurance agent found the following data for distribution of ages of 100 policy holders.

If the median of the distribution given below is 28.5, find the values of x and y.

The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality.

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