Unit 1. Ergonomics and Human Factor Engineerging | 10th & 8th Course

Question 1

Which of thet following best describes static data?
A) Data that changes over time
B) Data collected at a single point in time
C) Data that fluctuates during a process
D) Data measured continuously

Answer 1

B) Data collected at a single point in time

Question 2

Question 2:
Which of the following is an example of dynamic data?
A) A snapshot of a student’s height
B) The daily temperature readings for a week
C) A list of students’ birthdates
D) The total number of books in a library

Answer 2

B) The daily temperature readings for a week

Question 3

Which of the following is an example of a primary data source?
A) A research paper analyzing previous studies
B) A survey you conducted yourself
C) A textbook summarizing key concepts
D) A news article discussing scientific findings

Answer 3

B) A survey you conducted yourself

Question 4

Which of the following is a secondary data source?
A) Interview transcripts from participants in your study
B) A government report you authored
C) A journal article summarizing multiple research papers
D) A lab experiment you performed

Answer 4

C) A journal article summarizing multiple research papers

Question 5

What is the mean of the following data set: 3, 7, 8, 5, 10?
A) 6.6
B) 7
C) 8
D) 6

Answer 5

A) 6.6

Question 6

What is the median of the following data set: 2, 4, 6, 8, 10?
A) 4
B) 6
C) 5
D) 8

Answer 6

B) 6

Question 7

What is the mode of the following data set: 1, 2, 2, 3, 4, 4, 4, 5?
A) 2
B) 3
C) 4
D) 5

Answer 7

C) 4

Question 8

If you have the data set 4, 8, 6, 10, 2, what is the correct formula to calculate the mean?
A) (4 + 8 + 6 + 10 + 2) ÷ 5
B) (4 + 8 + 6 + 10 + 2) ÷ 4
C) (8 + 6 + 10 + 2) ÷ 5
D) (4 × 8 × 6 × 10 × 2) ÷ 5

Answer 8

A) (4 + 8 + 6 + 10 + 2) ÷ 5

Question 8

What is the first step in calculating the mean of a data set?
A) Sort the data in ascending order
B) Add all the numbers together
C) Find the middle value
D) Identify the most frequent number

Answer 8

B) Add all the numbers together

Question 9

Which of the following is true about calculating the mean?
A) The mean is always the largest number in the data set
B) The mean is the same as the median
C) The mean is affected by every number in the data set
D) The mean is the number that appears most frequently

Answer 9

C) The mean is affected by every number in the data set

Question 10

What is the first step in calculating the median of a data set?
A) Add all the numbers together
B) Identify the most frequent number
C) Sort the data in ascending or descending order
D) Divide the sum by the number of values

Answer 10

C) Sort the data in ascending or descending order

Question 11

For the data set 3, 7, 5, 9, 4, what is the median?
A) 4
B) 5
C) 6
D) 7

Answer 11

B) 5

Question 12

If a data set has an even number of values, how is the median calculated?
A) By taking the average of the two middle numbers
B) By identifying the most frequent number
C) By adding the two middle numbers together
D) By taking the difference between the two middle numbers

Answer 12

A) By taking the average of the two middle numbers

Question 13

What does the mode represent in a data set?
A) The middle value
B) The sum of all values
C) The number that appears most frequently
D) The difference between the highest and lowest values

Answer 13

C) The number that appears most frequently

Question 14

If a data set has no repeating numbers, what is the mode?
A) The smallest number
B) The largest number
C) The mean of the data set
D) There is no mode

Answer 14

D) There is no mode

Question 15

For the data set 2, 4, 4, 5, 7, 8, what is the mode?
A) 4
B) 5
C) 7
D) 8

Answer 15

A) 4