Posts In: statistics

statistics , question 5, grade 10

12/11/2017 Grade 10 5,532

5) After a survey done on the ages of 50 children on their first day at a scouts’ camp, the results were shown in the following table: Ages 7 9 10 12 Total n0” of…Read More

statistics, question 4, grade 10

4) Consider the statistical table showing the number of articles written by 50 journalists thru 10 days: xi 2 5 7 10 a total ni 5 10 10 b 12 50 I.C.F. Specify the population…Read More

statistics, common question, grade 9 and 10

23/07/2016 Grade 10, Grade 9 3,122

x,y,7,8,9,10 are the scores of Jamil out of 10 in 6 math quizzes, where x is less than double y by 7. Calculate x and y if his average is 7. What score must Jamil…Read More

statistics, question 3, grade 10

01/07/2016 Grade 10 1,095

3) The table below shows the scores of 50 students in an exam out of 15. Value(xi) 10 11 12 13 14 total Frequency(ni) 5 y 20 x 3 50 Increasing cum. freq. a) Specify…Read More

statistics, question 1, grade 10

26/06/2016 Grade 10 1,596

1) A teacher examined 25 students in math and gave the results arranged in the following table: grades (xi) 10 13 15 18 20 total frequency (ni) 3 x y 5 2 25 Calculate x…Read More