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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Percentile

Grade: 9-a Lesson: S2-L5

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	There are 25 test scores such as: 72,54, 56, 61, 62, 66, 68, 43, 69, 69, 70, 71,77, 78, 79, 85, 87, 88, 89, 93, 95, 96, 98, 99, 99. Find the 60th percentile?	A) 88 B) 77 C) 85 D) 71
Steps 2	In a college, a list of grades of 15 students has been declared. Their grades are: 85, 34, 42, 51, 84, 86, 78, 85, 87, 69, 74, 65. Find the 80th percentile?	A) 34 B) 85 C) 51 D) 69
Steps 3	The scores for some candidates in a test are : 40, 45, 49, 53, 61, 65, 71, 79, 85, 91. Find the 50th percentile?	A) 65 B) 71 C) 91 D) 49
Steps 4	The scores are: 7,3,12,15,14,4 and 20. Determine the 35th percentile	A) 4 B) 15 C) 12 D) 7
Steps 5	For the scores : 3, 5, 7, 9, 12, 21, 25, 30. calculate the 25th percentile. ?	A) 25 B) 7 C) 3 D) 5

Problem Id

Problem

Options

Steps 1

There are 25 test scores such as:
72,54, 56, 61, 62, 66, 68, 43, 69, 69, 70, 71,77, 78, 79, 85, 87, 88, 89, 93, 95, 96, 98, 99, 99.
Find the 60th percentile?

A) 88
B) 77
C) 85
D) 71

Steps 2

In a college, a list of grades of 15 students has been declared. Their grades are:
85, 34, 42, 51, 84, 86, 78, 85, 87, 69, 74, 65.
Find the 80th percentile?

A) 34
B) 85
C) 51
D) 69

Steps 3

The scores for some candidates in a test are :
40, 45, 49, 53, 61, 65, 71, 79, 85, 91.
Find the 50th percentile?

A) 65
B) 71
C) 91
D) 49

Steps 4

The scores are:
7,3,12,15,14,4 and 20.
Determine the 35th percentile

A) 4
B) 15
C) 12
D) 7

Steps 5

For the scores :
3, 5, 7, 9, 12, 21, 25, 30.
calculate the 25th percentile. ?

A) 25
B) 7
C) 3
D) 5