Unit 3 - Practice Quiz

1 Which of the following measurement scales assigns numbers purely for identification or classification purposes, lacking order, distance, or a unique origin?

2 In which measurement scale is the order of values significant, but the difference between each value is not necessarily equal?

3 The Celsius temperature scale is a classic example of which type of measurement scale?

4 Which scale possesses a true, absolute zero point, allowing for statements like 'A is twice as long as B'?

5 Which of the following statistical measures is NOT appropriate for data collected on a Nominal Scale?

6 In a Paired Comparison Scaling technique, if there are brands to be compared, how many pairs will the respondent evaluate?

7 Which scaling technique requires respondents to allocate a fixed number of units (e.g., 100 points) among a set of stimulus objects based on some criterion?

8 A scale with bipolar labels (e.g., 'Good — Bad', 'Clean — Dirty') placed at the ends of a 7-point scale is known as:

9 Which of the following is an example of a Non-Comparative Scale?

10 The Stapel Scale is characterized by which of the following layouts?

11 Data that has been collected by the researcher specifically for the problem at hand is called:

12 Which of the following is a major advantage of using Secondary Data?

13 Government census reports, trade association publications, and company annual reports are examples of:

14 In questionnaire design, a 'Double-Barreled' question is one that:

15 The 'Funnel Approach' in questionnaire ordering refers to:

16 The process of assigning numerical codes to the various responses in a questionnaire to facilitate data analysis is called:

17 Which process involves checking the collected data for omissions, legibility, and consistency?

18 A question that offers the respondent a fixed set of choices is known as a:

19 Pilot testing (or Pre-testing) a questionnaire helps to:

20 Which of the following is considered a measure of Central Tendency?

21 The mathematical formula for the arithmetic mean () of un-grouped data is:

22 Which measure of central tendency is most affected by extreme values (outliers)?

23 The value that divides a sorted data set into two equal parts is called the:

24 Calculate the median of the following dataset: $5, 8, 12, 4, 6$.

25 The observation which occurs with the highest frequency in a data set is known as:

26 What is the mode of the series: $2, 4, 4, 6, 7, 4, 8, 2$?

27 For a symmetrical distribution, the relationship between Mean, Median, and Mode is:

28 The algebraic sum of deviations of a set of values from their arithmetic mean is always:

29 Which average is best suited for open-ended classification (e.g., 'Income > $100,000')?

30 The empirical relationship between Mean, Median, and Mode for a moderately skewed distribution is given by:

31 Which of the following is an example of a Continuous Rating Scale?

32 If you are measuring the rate of speed or efficiency, which mean is theoretically most appropriate?

33 What is the Geometric Mean of the numbers 2 and 8?

34 When data contains varying importance for different items, which mean should be used?

35 Find the mean of the first 5 natural numbers.

36 In the context of reliability, which method involves administering the same test to the same respondents at two different times?

37 Which of the following is a disadvantage of the 'Observation' method of primary data collection?

38 If a dataset has an even number of observations, how is the Median calculated?

39 Which scale allows for the calculation of the Coefficient of Variation?

40 What is the formula for the Weighted Mean?

41 In a histogram, the highest bar represents the class interval containing the:

42 A distribution with two peaks is called:

43 Which of the following is a 'Projective Technique' used in qualitative research (often yielding primary data)?

44 When preparing data, 'Outliers' refer to:

45 If the mean is 20 and the median is 20 in a dataset, what is the likely value of the mode?

46 Which measurement scale involves ranking data but the intervals between ranks are unknown (e.g., Horse race finishing order)?

47 Which step follows 'Coding' in the data preparation process?

48 If every item in a data set is increased by 5, the new Arithmetic Mean will:

49 Which of the following is a requirement for a good questionnaire?

50 In grouped data, the class mark (mid-point) is calculated as: