DECILES OF UNGROUPED DATA

11

Following are the scores of 23 Grade-10 students in a Math class: 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D1

19

Following are the scores of 23 Grade-10 students in a Math class: 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D3

30

Following are the scores of 23 Grade-10 students in a Math class: 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D6

34

Following are the scores of 23 Grade-10 students in a Math class: 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D7

42

Following are the scores of 23 Grade-10 students in a Math class: 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D9

11

Following are the scores of 23 Grade-10 students in a math class : 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D1.

19

Following are the scores of 23 Grade-10 students in a math class : 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D3.

30

Following are the scores of 23 Grade-10 students in a math class : 45, 30, 36, 26, 16, 21, 33, 40, 32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D6

34

Following are the scores of 23 Grade-10 students in a math class : 45, 30, 36, 26, 16, 21, 33, 40,32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D7

42

Following are the scores of 23 Grade-10 students in a math class : 45, 30, 36, 26, 16, 21, 33, 40,32, 14, 10, 29, 23, 39, 17, 11, 18, 34, 19, 24, 21, 42, 37. Find D9

kth decile

In the equation for the deciles of ungrouped data, what does 'k' stands for?

total number of items

In the equation for the deciles of ungrouped data, what does 'n' stands for?

79

The Quick Oil Company has a number of outlets in the Metropolitan Seattle area. The numbers of changes at the Oak Street outlet in the past 20 days are:65, 98, 55, 62, 79, 79, 59, 51, 90, 72, 56, 70, 62, 66, 80, 94, 63, 73, 71, and 85. Which is 70% of the number of outlets?

2

The owner of a supermarket recorded the number of customers who came into his store each hour in a day. The results were 11, 7, 9, 6, 14, 2, 5, 6, 11, 7, and 8. What is the 10% of the number of customers?

8

The rate of an article changed in six consecutive months. Its rate each month was 16, 13, 11, 8, 18, and 3. What is the 30% of rate of an article?

19

The scores of 11 students in a Mathematics remedial test are 25, 19, 16, 23, 24, 20, 15, 19, 15, 16, and 8. What is the 5th deciles?

deciles

What do you call the values of variable that divides ordered data set into 10 groups?

16

What is the 5th Deciles, given the scores of 11 students in their Mathematics activity. 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21?

33

What is the 6th deciles of the following test scores of a random sample of ten students: 35, 42, 40, 28, 15, 23, 33, 20, 18, and 28?

21

What is the 7th Deciles, given the scores of 11 students in their Mathematics activity. 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21?

30

What is the 9th Deciles, given the scores of 11 students in their Mathematics activity. 1, 27, 16, 7, 31, 7, 30, 31, 3, 4, 21?

Dk=k/10(n+1)

What is the equation for the deciles of ungrouped data?

10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%

What percentages of the data do the deciles show?