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Statistics The marks scored by

There are fifty students in a class. In a 100 marks exam, 20 students scored less than 30 marks, 5 students scored more than 70
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2. asked by Muhammad
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ramesh and suresh are arguing about who scored better in their mathematics tests.ramesh took a test that was of 75 marks and
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2. asked by Bansari
3. 433 views
Connie, Ken and Dan took a Mathematics test. Connie scored 3 marks above their average score. Ken scored 14 marks fewer than
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2. asked by Anonymous
3. 356 views
(a) Ayisha scored 18 marks more than what he did in the previous examination in which he scored 30. Aminascored 30 marks more
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2. asked by Joana
3. 1,026 views
In an English test Alvin scored 28 out of 40 marks in mathematics he scored 36 out of 60 marks.The difference between Alvin
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2 boys sat for a test. Joshua scored 1/2 of what Willie had scored. If Joshua obtained 45 marks, what was their total number of
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2. asked by Anonymous
3. 237 views
Relatively speaking, which statistics exam did you do better on? On your first statistics exam you scored a 72 and on the second
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2. asked by kelly
3. 1,509 views
StatisticsThe marks scored by a sample of 56 students are summarised by: N=56 Sum of x =3026 sum of(x-the mean)^2 =15378 A)
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2. asked by Anonymous
3. 651 views
StatisticsThe marks scored by a sample of 56 students are summarised by: N=56 Sum of x =3026 sum of(x-the mean)^2 =15378 A)
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2. asked by Anonymous
3. 843 views
In a question paper, there are 150 questions, each question carrying 2 marks. The total marks are 300. For every wrong answer
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2. asked by Abhijit
3. 616 views