improve gre math score

College students played two rounds of golf, one before and the other after the instructions were given. Find the test value. At 99% confidence did the scores improve? First round 80 78 72 69 68 72 Second round 78 82 75 72 65 73 => - 0.714, the scores did not impro..

Jessica scored less than 71 on a math test and her score is divisble by 3. What could be her score? => 48 or 81 or 52 or 44..

The food agency inspected a sample of 500 pastries from a bakery and found that 15 were spoiled. After improving the quality of production, the agency inspected a new sample of 900 pastries from the bakery and found that 20 were spoiled. What is the probability of spoiled pastries after h..

The graph shows Emily's test scores. What is Emily's score on the Math test? => 50 or 80 or 60 or 40..

The scores of students in a test is shown in the table. Find the number of students who scored more than 22. => 8 or 7 or 10 or 9..

Tony scored 60 out of 100 in the zoology test. Express his score as a percent. => 65% or 60% or 50% or 55%..

Whose score is twice the score of John in the bar graph? => Mathew or Edd or John or Bob..

Charlie scored 70 out of 100 in a math test and Jake scored 75 out of 125 in another math test. Who between them scored better? => Charlie or Jake or Both the two or None of the above..

The points scored by students is shown in the line plot. Which two scores were scored by an equal number of students? => 20 and 21 or 21 and 23 or 21 and 22 or 20 and 23..

A student has scored 98, 76 and 82 in 3 of 4 tests. What should be his score on the fourth test if his average score is 85? => 80 or 84 or 88 or 90..