PERCENTILE QUIZ

What is the formula to be used in getting the Percentile of ungrouped data?

• Pk = k/100 ( n - 1)

• Pk = k/100 ( n + 1)

• Pk = 100/k ( n + 1)

• Pk = k( n + 1)

What is the first step in solving the percentile of ungrouped data?

• Use the formula, Pk = k/100 ( n + 1)

• Arrange the data set in ascending order.

• Round up and round down the result of the percentile.

• Interpolate the given data.

56,23,71,42,66,84,57,98,75,83,36,74,100,61,59,40,87,34,76,49.

Mathematics exam scores of 20 students of Grade 10-Hope. Find the 35^th percentile.

• P35 = 56.35

• P35 = 57.35

• P35 = 49.35

• P35 = 59.35

How can percentiles help students understand their academic performance in a class?

• Count how many students scored lower than the score itself, divide by the total number of students, and multiply by 4.

• Count how many students scored lower than the score itself, divide by the total number of students, and multiply by 10.

• Count how many students scored lower than the score itself, divide by the total number of students, and multiply by 100.

• None of the above.

56,23,71,42,66,84,57,98,75,83,36,74,100,61,59,40,87,34,76,49.

Mathematics exam scores of 20 students of Grade 10-Hope. Find the 90^th percentile.

• P90 = 84.9

• P90 = 86.9

• P90 = 86.9

• P35 = 59.35