the math test scores of john are 87 94 76 84 and 86. what score must he score on the next test to increase his mean to 86

The math test scores of John are 87, 94, 76, 84 and 86. What score must he score on the next test to increase his mean to 86? => 84..

Subtracting (ii) from (i), we get ..

Question: Find n. Answer: i) ii..

Scores obtained by students in a class are 81, 83, 82, 81, 84, 82, 84, 84, 85, 85, 86, 86, 87, 85, 83, and 84. Which line plot best suits the data? => Graph 4 or Graph 3 or Graph 2 or Graph 1..

Ten students who were afraid of examinations were given a test and their scores were recorded. They were given proper counseling to get rid of their fear and were given another test after the counseling. The results of both the tests were recorded as in the t..

The points scored by Jimmy in his 1st term are as shown. Find the range of his scores. English History Zoology Physics Economics 98 94 75 70 86 => 27 or 28 or 75 or 84.6..

The math test scores of John are 93, 100, 82, 90, and 92. What score must he score on the next test to increase his mean to 92? => 90 or 92 or 95 or 93..

Lauren has taken a math test 10 times and her scores are 95, 99, 99, 98, 45, 88, 93, 95, 86 and 96. Which measure of central tendency is the most appropriate for her scores? => Range or Mode or Mean or Median..

Mike made a frequency table of the scores of his students in a test. What is the total number of students whose scores are in the ranges 96 - 100 and 76 - 80? Score Frequency Below 75 3 76 - 80 13 81 - 85 4 86 - 90 9 91..

The scores of 10 students in mathematics and statistics examination are shown in the table. Calculate the coefficient of correlation between these two subjects and describe the relationship. Student A B C D E F G H I J Scores in Mathematics 86 96 72..