0
question_answer1) Following are the runs scored by seven batsmen in a calender year in the test match played against the different countries. The runs are 320, 310, 300, 240, 210, 150, 340. Find the mean deviation about the median for the above data.
question_answer2) The marks obtained by the 12 students in mathematics in first term of the school examination are given as 13, 17, 16, 14, 11, 13, 10, 16, 11, 18, 12, 17. Find the mean deviation of the above data about the mean.
question_answer3) Following are the number of calls received at an telephone booth during the various days of the week. The data is given as below. Find the mean deviation about the mean of the data. 5 7 9 11 13 15 8 6 2 2 2 6
question_answer4) The given below is the data of the selling of different types of item by a shopkeeper during the different days of the week. Find the mean deviation about the median of the data so obtained for the week.
question_answer5) Following are the data obtained for the number of females staff in the school working for various positions in various age groups. Find the mean deviation of the age from the mean age of the female in the school. The data is given below: Age 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Number 2 3 8 14 8 3 2
question_answer6) A life insurance company has the following policy holders in the different age groups. Find the mean deviation of the age from the median age of the policy holders for the data given below: Age 0-10 10-20 20-30 30-40 40-50 No. of 2 3 8 14 8
question_answer7) Find the standard deviation of first 10 natural numbers.
question_answer8) A cricket team has one injured player and hence cannot bat. If the run scored by the remaining 10 batsmen are as follows: 50, 60, 62, 60, 45, 48, 44, 58, 68, 65. Calculate the variance of the run scored by the different batsmen.
question_answer9) In a company 200 workers are working and manufacturing the shirts and trousers. The mean and standard deviation for the number of shirts and trousers manufactured weekly are found to be 40 and 15 respectively. Later on it is found that the counting for the one of the worker was wrong as data 43 is misread as 34. Find the correct standard deviation if the data is corrected.
question_answer10) The data given below represents the number of text book printed during the different hours of the day by a machine. Find the standard deviation of the printing by the machine during the day. Hours: 2 4 6 8 10 12 14 16 No. of book: 4 4 5 15 8 5 4 4
Please Wait you are being redirected....
You need to login to perform this action.You will be redirected in 3 sec
OTP has been sent to your mobile number and is valid for one hour
Your mobile number is verified.