ungrouped

What is a raw data that is not sorted into categories , classified or otherwise grouped, usually written in number list?

What is the first step in solving measures of position for ungrouped data?

• ungrouped data involves finding class intervals

• the steps are the same

• ungrouped data requires arranging data in ascending order

• ungrouped data requires calculating cumulative frequency

What is the formula for calculating percentiles for ungrouped data?

• Pk= k(n-1)/4

• Pk= k(n+1)/4

• Pk= k(n+1)/10

• Pk= k(n+1)/100

What are the nine score points that divide the distribution into then equal parts

Given the scores 11, 24, 28, 14, 30, 16, 20, 22 and 10, what is the value of the first quartile?

• 24

• 30

• 14

• 16

What is the formula for calculating quartiles for ungrouped data?

• Qk= k(n+1)/4

• Qk= k(n+1)/10

• Qk= k(n-1)/4

• Qk= k(n+1)/100

What is the value of the second decile in the student score distribution: 71, 72, 73, 74, 75, 76, 77, 78, 79, 80?

• 72

• 83

• 74

• 85

Arrange the data in ascending order: 33, 14, 29, 10, 39, 52, and 41

What is the position of the third quartile in the student score distribution :7, 2, 3, 4, 17, 16, 14, 13, 1, 2, 5, 9, 10, 8, 12, 11, and 13?

1, 2, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13,13, 14, 16, 17

• 13th

• 12th

• 11th

• 10th

Arrange the data in ascending order :33, 14, 28, 8, 39, 52, 41