Unit 3: Measurement Scales and Central Tendency - Practice Quiz

1 Which measurement scale classifies data into categories without any order?

2 Which measurement scale arranges data in a meaningful order?

3 Which scale has equal intervals but no true zero point?

4 Which measurement scale includes a meaningful zero point?

5 What does a comparative scale require respondents to do?

6 Which is an example of a comparative scaling technique?

7 What does a non-comparative scale measure?

8 Which scale commonly asks respondents to indicate their level of agreement?

9 What is primary data?

10 Which is an example of a primary data collection method?

11 What is secondary data?

12 Which is a common source of secondary data?

13 What is a questionnaire?

14 Which type of question provides respondents with a fixed set of answers?

15 Which type of question allows respondents to answer in their own words?

16 What is coding in data preparation?

17 What is the purpose of editing collected data?

18 Which measure of central tendency is found by adding all values and dividing by their number?

19 What is the median of the ordered values ?

20 What is the mode of the values ?

21 A hotel records customer satisfaction as Poor, Fair, Good, and Excellent. Which measurement scale is being used?

22 A researcher measures room temperature in degrees Celsius. Why is this considered an interval scale rather than a ratio scale?

23 A dataset contains annual revenue in dollars and business region labels such as North, South, East, and West. What are their respective measurement scales?

24 Exact ages are converted into the categories Under 25, 25–34, 35–44, and 45 or above. What is the resulting measurement scale?

25 A respondent is repeatedly shown two smartphone brands and asked which one is preferred. Which scaling technique is being used?

26 Consumers distribute 100 points among price, quality, design, and durability according to their relative importance. Which scale is this?

27 A customer rates the statement My bank provides reliable service from 1 = Strongly disagree to 5 = Strongly agree, without evaluating another bank. How should this scale be classified?

28 A bank is rated on seven-point scales anchored by Efficient–Inefficient, Modern–Traditional, and Friendly–Unfriendly. Which technique is used?

29 A company conducts new in-depth interviews with former customers to understand why they stopped purchasing. What type of data is primarily generated?

30 A researcher downloads a published national census table from a government website. How should this source be classified?

31 A retailer analyzes its existing sales transaction database to plan a new loyalty program. Which type of data is being used?

32 A secondary dataset defines a regular customer as someone purchasing once a year, but the current study defines one as purchasing monthly. What should the researcher evaluate most carefully?

33 A questionnaire asks, How satisfied are you with the speed and courtesy of our service? What is the best revision?

34 A respondent answers No to Have you purchased online in the past six months? What should a well-designed questionnaire do next?

35 A survey contains hundreds of open-ended occupation responses. What is the most appropriate preparation step before quantitative analysis?

36 On a five-point questionnaire, most items use 5 = Very satisfied, but one item uses 1 = Very satisfied. If that item is reverse-coded using , what will an original response of become?

37 A student receives scores of , , and in courses carrying , , and credits, respectively. What is the credit-weighted mean score?

38 The mean of eight observations was calculated as . One value recorded as should have been . What is the corrected mean?

39 The values , , , and have frequencies , , , and , respectively. What is the median?

40 A company's salary distribution contains many moderate salaries and a few extremely high executive salaries. Which measure best represents a typical employee's salary?

41 A researcher codes customer satisfaction as 1 = very dissatisfied, 2 = dissatisfied, 3 = neutral, 4 = satisfied, and 5 = very satisfied. Which analysis is most defensible without assuming equal distances between categories?

42 A temperature variable is recorded in Celsius and then converted to Fahrenheit. Which statement remains valid after the conversion?

43 A survey asks respondents to identify their preferred payment method: cash, debit card, credit card, or mobile wallet. The researcher codes the responses as 1 through 4. What is the strongest conclusion?

44 A scale measures annual income in dollars, but all observations are converted from dollars to thousands of dollars. Which statistic is unaffected by this rescaling?

45 A respondent must distribute exactly 100 points among four smartphone attributes to indicate their relative importance. What is the primary characteristic of this scale?

46 In a paired-comparison study of five brands, each respondent evaluates every possible pair once. How many comparisons does each respondent complete?

47 A researcher wants respondents to rate perceived service quality from 1 to 7 for each hotel independently, without forcing comparisons among hotels. Which scale is most appropriate?

48 A ranking question asks respondents to order eight brands from most preferred to least preferred. Which limitation is most directly introduced by this design?

49 A company uses government census tables collected five years earlier to estimate the current market size of a rapidly changing technology product. What is the main methodological concern?

50 A researcher combines transaction records from a retailer with interviews conducted specifically for the research project. How should these sources be classified from the researcher's perspective?

51 Before using an archived industry survey, a researcher discovers that its sampling frame excluded informal businesses, although the current study concerns all businesses. Which evaluation criterion is most seriously compromised?

52 Two secondary databases report different unemployment rates for the same year. Which first step best supports a defensible comparison?

53 Which questionnaire item has the greatest risk of producing ambiguous responses?

54 A questionnaire asks, "You agree that the new policy is beneficial, don't you?" What is the most important design problem?

55 A respondent leaves an income item blank because the question does not apply to them. The analyst recodes the blank as zero. What is the most likely consequence?

56 A dataset contains ages of 8, 12, 19, 24, and 240 years. Which data-preparation action is most appropriate before calculating descriptive statistics?

57 A negatively worded Likert item is scored from 1 to 5, where 5 indicates strong agreement. To combine it with positively worded items measuring the same construct, what transformation is required?

58 The values in a dataset are . Which measure best represents a typical observation when the extreme value is believed to be genuine?

59 A firm reports salaries using the arithmetic mean, but a small group of executives earns substantially more than all other employees. Which alternative would usually provide a more representative description of a typical employee's salary?

60 A distribution has mean , median , and mode . Which shape is most consistent with these values?