Maths
Consider the following frequency distribution of the heights of 60 students of a class. The sum of the lower limit of the modal class and the upper limit of the median class is :
26
Nov
Consider the following frequency distribution of the heights of 60 students of a class. The sum of the lower limit of the modal class and the upper limit of the median class is : Consider the following frequency distribution of the heights of 60 students of a class. The sum of the lower limit of [...]
In the following distribution : The numbers of families having income range (in Rs) 16000−19000 is:
26
Nov
In the following distribution : The numbers of families having income range (in Rs) 16000−19000 is: In the following distribution : The numbers of families having income range (in Rs) 16000−19000 is: November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 10 ,
Construction of a cumulative frequency table is useful in determining the
26
Nov
Construction of a cumulative frequency table is useful in determining the Construction of a cumulative frequency table is useful in determining the November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 10 ,
50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below (i) Construct a cumulative frequency table. (ii) Draw a cumulative frequency curve (less than type) and calculate the median distance drawn by using this curve. (iii) Calculate the median distance by using the formula for median. (iv) Are the median distance calculated in (ii) and (iii) same?
26
Nov
50 students enter for a school javelin throw competition. The distance (in metre) thrown are recorded below (i) Construct a cumulative frequency table. (ii) Draw a cumulative frequency curve (less than type) and calculate the median distance drawn by using this curve. (iii) Calculate the median distance by using the formula for median. (iv) Are [...]
The following is the frequency distribution of duration for 100 calls made on a mobile phone. Calculate the average duration ( in sec ) of a call and also find the median from a cumulative frequency curve.
26
Nov
The following is the frequency distribution of duration for 100 calls made on a mobile phone. Calculate the average duration ( in sec ) of a call and also find the median from a cumulative frequency curve. Find the mean of the distribution November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 - [...]
The annual rainfall record of a city for 66 days is given in the following table. Calculate the median rainfall using ogives (of more than type and of less than type)
26
Nov
The annual rainfall record of a city for 66 days is given in the following table. Calculate the median rainfall using ogives (of more than type and of less than type) The annual rainfall record of a city for 66 days is given in the following table. Calculate the median rainfall using ogives (of more [...]
Size of agricultural holdings in a survey of 200 families is given in the following Compute median and mode size of the holdings.
26
Nov
Size of agricultural holdings in a survey of 200 families is given in the following Compute median and mode size of the holdings. Size of agricultural holdings in a survey of 200 families is given in the following Compute median and mode size of the holdings. November 26, 2020 Category: Chapter 14 - Statistics , [...]
The distribution of heights (in cm) of 96 children is given below Draw a less than type cumulative frequency curve for this data and use it to compute median height of the children.
26
Nov
The distribution of heights (in cm) of 96 children is given below Draw a less than type cumulative frequency curve for this data and use it to compute median height of the children. The distribution of heights (in cm) of 96 children is given below Draw a less than type cumulative frequency curve for this [...]
The median of the following data is 50. Find the values of p and q, if the sum of all the frequencies is 90.
26
Nov
The median of the following data is 50. Find the values of p and q, if the sum of all the frequencies is 90. if the sum of all the frequencies is 90. The median of the following data is 50. Find the values of p and q November 26, 2020 Category: Chapter 14 - [...]
The mean of the following frequency distribution is 50 but the frequencies f1 and f2 in classes 20-40 and 60-80, respectively are not known. Find these frequencies, if the sum of all the frequencies is 120.
26
Nov
The mean of the following frequency distribution is 50 but the frequencies f1 and f2 in classes 20-40 and 60-80, respectively are not known. Find these frequencies, if the sum of all the frequencies is 120. if the sum of all the frequencies is 120. respectively are not known. Find these frequencies The mean of [...]