Math topic中文

Collecting tabulating

simple concepts in collecting, classifying and tabulating data

Practice questions

  1. 1A librarian wants to find out how much time patrons spend at the library in a week. He uses the questionnaire. List two…
  2. 2In a particular month, 21 people took a driving test. One of the 21 people is selected at random. The probability that i…
  3. 3A fitness centre has 16 employees. One of the 16 employees is selected at random. The probability that it is a woman wor…
  4. 4The histogram below shows the distribution of the scores of the participants from Potong Pasir Secondary School in a cur…
  5. 5The table shows the distribution of the weights of 40 students. Find the value of a. Answer a = ... Calculate an estimat…