math 7 reviewer

What is the most useful statistical instrument to be used with big number of respondents?

• Interview

• Observation     

• Questionnaire

• Survey

What type of question is this “Have you finished your homework?” ?

• Closed 

• Multiple-choice

• Open-ended

• True or False

Which of the following is not an advantage of personal interviews?

• Interview bias

•  Flexibility and versatility

• Exhibits such as ads can be shown

• Sampling can be done in a very representative way

What is the term used to describe numerical data that has been grouped into intervals and shows the frequency of occurrence of the data?

• Data

• Frequency table

What is the term used to describe the difference between the upper and lower boundaries of each class in a frequency distribution table?

• Class width      

• Average

What is the visual representation of data using rectangles whose widths represent class boundaries and whose lenghts/heights represent the frequencies of the intervals?

• Histogram

• Bar Graph

What graph uses upper class boundaries of the cumulative frequencies

• Ogives

• Line Graph

Last Thursday, Alpheus spent 12 hours of the day sleeping and playing, 2 hours eating and dressing, 6 hours at school, and 4 hours surfing the internet. What graph is appropriate to show the percentages of time spent on his activities in the day?

• Pie Chart

• Line Graph

What appropriate graph can be used to show the population of Region XII in the Philippines from 1989 to 2020 ?

• Bar Graph

• Line Graph

Which of the following illustrations shows the graph of a histogram?

• 
• 
• 
•