Welcome to your Statistics(Senior Class Maths Study by Topics) NAME EMAIL PHONE NUMBER 1. Find the range and interquartile range, respectively, of the following data5, 7, 2, 8, 9, 5, 7, 7, 10, 3, 6, 68, 55, 35, 28, 32. Find the mean and mean deviation, respectively of the following 5, -3, 6, -2, 4, -8, 4, 7, -10, 102.3, 4.643.3, 3.641.3, 5.644.3, 2.643. The pie chart below shows the distribution of the expenditure of a household on various food items in a certain month. If N200 was spent on fruits, how much was spent on rice?N1,000N800N400N6004. Find the mean and mean deviation, respectively of the following 16, 18, 12, 14, 20, 25, 13, 15, 115. The following marks were obtained by candidates in an examination What is the modal group61-7051-6071-8041-506. The table below shows the heights to the nearest cm of a group of peopleCalculate an estimate of the mean151.5 cm25.5 cm10.3 cm59.5 cm7. Find the variance and the standard deviation, respectively of the data below-3, -5, -7, 2, 5, 0, 4, 64.52, 20.220.4, 4.5212.3, 1712.6, 198. In a certain country last year a total of 500 million tons of trash was recycled. The chart below shows the distribution, in millions of tons, for the different types of trashes. How many tons of Iron/Steel was recycled?19121301209. In a class of 20 students the scores in a Mathematics test out of 10 marks are as follows:5, 3, 6, 7, 8, 4, 5, 4, 9, 3, 4, 6, 4, 5, 7, 4, 5, 6, 7, 2The range of the distribution is872910. The diagram illustrates the distribution of marks in a class testThe percentage of students who scored less than 5 marks is75%50%33%67%11. The angles of the sectors representing the numbers 5, 8, 12, 15, 20 on a pie chart are respectively,40, 64, 96, 120, 160 degrees30, 48, 72, 90, 120 degrees5, 8, 12, 15, 20 degrees15, 24, 36, 45, 60 degrees12. The scores of a group of five students are4, 5, 6, 7, 8.The mean deviation is1.01.51.22.013. The following marks were obtained by candidates in an examination What percentage of the candidates scored above 70 marks?8.4%4.5%11.4%15.2%14. The heights of eight children are: 1 m, 1.2 m, 0.9 m, 0.8 m, 1.4 m, 0.8 m, 1.2 m and 1.1 m. The sum of the mean and the range is1.85 m2.45 m1.65 m1.11 m15. The weights to the nearest kg of a group of students are recorded in the following tableCalculate the median weight56.4 kg52.5 kg24.5 kg43.4 kg16. For the set of numbers4, 6, 2, 10, 8, the difference between the range and the variance is102-117. The diagram illustrates the distribution of marks in a class testThe average and the modal marks scored are, respectively4, 54.7, 55, 44.7, 418. If x is positive, and the standard deviation of x-1, x+1, 3, 2x-1 and x+3 is 2√2, find the value of x and hence calculate the mean deviationx =6 , M.D = 2.4x =4, M.D= 2.4x=6, M.D = 4.2x= 4.3, M.D = 319. The table below shows the marks obtained by 8 students taking English and PhysicsCalculate the mean of English subject6585457520. The scores of students in a class test are given in the table below:Marks 1 2 3 4 5 6 7 8 9 10Frequency 0 3 1 2 3 4 2 1 1 0The mean score is4.85.14.95.021. The mean age of a class of twenty school pupils is 12. If their teacher's age is included, the mean becomes 13. The age of the teacher is3328253922. Find the variance and the standard deviation, respectively of the data below16, 18, 12, 14, 20, 25, 13, 15, 1117.3, 4.161, 133.17, 1411. 12.323. The distribution of grades in a Mathematics examination taken by a class of 72 students is represented on a pie chart. If the angle of the sector representing the number of students who scored the A grade is 30°, the actual number of A grades scored is9812624. The prices of computers in a catalogue are: N125,000, N99,000, N125,000, N120,000, N110,000, N115,000, N130,000, N120,000, N100,000.Calculate the meanN116,000N56,000N40,000N214,00025. The table below shows the marks obtained by 8 students taking English and PhysicsCalculate the mean for Physics32.557.5121126 out of 25Time is Up!
