Question 1 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19bfb273b230584979a53.PNG' /> Find the mean of the above given data.

Question 3 :
<img style='object-fit:contain' src='61b19afd273b230584979947' /> The length of 40 leaves of a plant are measured correct to the nearest milimetre and the data obtained is represented in the above table. Find the median length of leaves.

Question 4 :
<img style='object-fit:contain' src='61b19ac1273b230584979940' /> A student noficed the number of cars passing through a spof on the road through 100 periods, each of 3 minutes and summarized it in the table above. Find the mode.

Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c0f273b230584979a69.PNG' /> The above table shows the ages of the patients admitted in a hospital during a year. Find the mean of the data given above.

Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c16273b230584979a72.PNG' /> The above given frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the mode.

Question 7 :
<img style='object-fit:contain' src='61b19a9e273b23058497993b' /> The above table shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs.18. Find the missing frequency.

Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c0b273b230584979a65.PNG' /> A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent.

Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c09273b230584979a63.PNG' /> The above distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs 18. Find the missing frequency $f$.

Question 10 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19bfc273b230584979a54.PNG' /> The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of 100 marks are presented in table above. Find the mean of the marks obtained by the students

Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c18273b230584979a74.PNG' /> The distribution below gives the weights of 30 students of a class. Find the median weight of the students.

Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c17273b230584979a73.PNG' /> 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 given above. Determine the median number of letters in the surnames.

Question 13 :
<img style='object-fit:contain' src='61b19ab9273b23058497993f' /> The above data gives the infomation on the observed lifetimes (in hours) of 225 electrical bulbs. Determine the modal lifetime of the components.

Question 14 :
The wickets taken by a bowler in 10 cricket matches are as follows: 2, 6 ,4 ,5, 0, 2, 1, 3, 2, 3. Find the mode of the data.

Question 15 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c0e273b230584979a68.PNG' /> The above data gives the information on the observed lifetimes (in hours) of 225 electrical components. Determine the modal lifetimes of the components.

Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19c00273b230584979a58.PNG' /> The median of the above data is 525. Find the values of x and y, if the total frequency is 100.

Question 18 :
<img style='object-fit:contain' src='61b19a85273b230584979938' /> Consider the above distribution of daily wages of 50 workers of a factory. Find the mean daily wages of the workers of the factory by using appropriate method.

Question 19 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19bfd273b230584979a55.PNG' /> The table above gives the percentage distribution of female teachers in the primary schools of rural areas of various states and union territories (U.T.) of India. Find the mean percentage of female teachers.

Question 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b19bfb273b230584979a52.PNG' /> The distribution above shows the number of wickets taken by bowlers in one-day cricket matches. Find the mean number of wickets.