SaiBook.us Statistics

Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Measures of variation- Population Standard deviation

Grade: 9-a Lesson: S2-L2

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	Find the standard deviation.Alen has 5 cups of different prices: 20,10,30,5,15.	A) 2.4 B) 16 C) 8.6 D) 5
2	Find the standard deviation.4 students average study hours in a day: 2,4,6,8.	A) 2.23 B) 5 C) 4.5 D) 2.2
3	Find the standard deviation for the weights of eggs: 25,62,10	A) 40 B) 62 C) 47 D) 22
4	8 hens has layed eggs.Find the standard deviation: 1,2,3,4,5,6,7,8	A) 1.2 B) 2.3 C) 6.5 D) 1.5
5	6 books are prices as follows. Find the standard deviation between them: 2.5,5,4.5,9.9,1,2	A) 2.7 B) 2.92 C) 6.89 D) 7.5

Problem Id

Problem

Options

Find the standard deviation.Alen has 5 cups of different prices:
20,10,30,5,15.

A) 2.4
B) 16
C) 8.6
D) 5

Find the standard deviation.4 students average study hours in a day:
2,4,6,8.

A) 2.23
B) 5
C) 4.5
D) 2.2

Find the standard deviation for the weights of eggs:
25,62,10

A) 40
B) 62
C) 47
D) 22

8 hens has layed eggs.Find the standard deviation:
1,2,3,4,5,6,7,8

A) 1.2
B) 2.3
C) 6.5
D) 1.5

6 books are prices as follows. Find the standard deviation between them:
2.5,5,4.5,9.9,1,2

A) 2.7
B) 2.92
C) 6.89
D) 7.5