Statistics I

Answer all of the following.

Objective

1. Which of the following data is collected by measuring?

A. Numbers of cars passing at a certain bus stop.
B. Weight of a fish caught by a fisherman
C. Number of books sold in a bookstore.
D. Number of students enrolled in a certain school.

4, 4, 4, 5, 6, 7, 7, 8, 9,10

2. The above numbers are scores made by 10 students in a certain game. What is the percentage of sudents who scored more than 5 ?

A. 30%
B. 60%
C. 70%
D. 100%

Subjective

1. 1,2, 3,3, 4,4, 5, 5, 6, 6, 6, 7, 7, 8, 9

The data above shows the size of shoes in a group 15 girls.

(a) Find the mode and median for the above data.

(b) Calculate the percentage of the size that is more than 4.


2. 35, 45, 55,60,70,75, 80, 90

The data above shows the marks for a certain math test for 8 students.

(a) Find the mean marks for the test.

(b) If the passing mark is 50, calculate the percentage of the students who pass the test.


Happy trying! You can email me your answer at huffy64@gmail.com