Introduction to Quantitative Techniques
DMT0064 INTRODUCTION TO QUANTITATIVE TECHNIQUES
Exercise 1 1. What is the difference between qualitative data and quantitative data? 2. What is the difference between discrete data and continuous data? 3. If an experiment results in data are continuous in nature, must the data be quantitative, or can they be qualitative? 4. Determine whether the given values are from a discrete or continuous data set. a. In the Chapter Problem, it was noted that when 50 letters were sent as part of an experiment, 3 of them arrived at the target address. b. In a survey of 1059 adults, it is found that 39% of them have guns in their homes. c. The amount of shampoo through into a bottle. d. The amount of electricity used by workshop every month. e. The number of book per lecturer has. 5. Identify the level of measurement used in each of the following : a. The weights of people being hurled through the air at an enthusiastic rock concert. b. A movie critic’s rating of “must see, recommended, not recommended, don’t even think about going”. c. A movie critic’s classification of “drama, comedy, adventure”. d. Bob, who is different in many ways, measures time in days, with 0 corresponding to his birth date. The day before his birth is – 1, the day after his birth is +1, and so on. Bob has converted the dates of major historical events to his numbering system. What is the level of measurement of these numbers? e. The number of “Yes” responses received when 500 students are asked if they have married in college. f. Number on shirts of marathon runners. 6. Identify the “sample” or “population” in each of following : a. Number of days missed by all employees of a company during the past month. b. Number of DVDs owned by all families in Terengganu. c. Ages of CEOs of all companies in Kuala Lumpur. d. Prices of 100 houses selected in Pahang. SEMESTER | NO. OF STUDENTS | 1 | 16 | 2 | 21 | 3 | 30 | 4 |
Exercise 1 1. What is the difference between qualitative data and quantitative data? 2. What is the difference between discrete data and continuous data? 3. If an experiment results in data are continuous in nature, must the data be quantitative, or can they be qualitative? 4. Determine whether the given values are from a discrete or continuous data set. a. In the Chapter Problem, it was noted that when 50 letters were sent as part of an experiment, 3 of them arrived at the target address. b. In a survey of 1059 adults, it is found that 39% of them have guns in their homes. c. The amount of shampoo through into a bottle. d. The amount of electricity used by workshop every month. e. The number of book per lecturer has. 5. Identify the level of measurement used in each of the following : a. The weights of people being hurled through the air at an enthusiastic rock concert. b. A movie critic’s rating of “must see, recommended, not recommended, don’t even think about going”. c. A movie critic’s classification of “drama, comedy, adventure”. d. Bob, who is different in many ways, measures time in days, with 0 corresponding to his birth date. The day before his birth is – 1, the day after his birth is +1, and so on. Bob has converted the dates of major historical events to his numbering system. What is the level of measurement of these numbers? e. The number of “Yes” responses received when 500 students are asked if they have married in college. f. Number on shirts of marathon runners. 6. Identify the “sample” or “population” in each of following : a. Number of days missed by all employees of a company during the past month. b. Number of DVDs owned by all families in Terengganu. c. Ages of CEOs of all companies in Kuala Lumpur. d. Prices of 100 houses selected in Pahang. SEMESTER | NO. OF STUDENTS | 1 | 16 | 2 | 21 | 3 | 30 | 4 |