Statistics is an art and technique for systematically

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1. Statistics is an art and technique for systematically:

a. Recording data.

b. Analyzing data.

c. Interpreting data.

d. Collecting data.

e. All of these.

 

2. A measure of any attribute, belief, or attitude, taking data from the entire population is referred as,

a. Statistic

b. Parameter

c. Construct

d. Mean

e. Frequency

 

3. A complex measure involving any attribute, belief, attitude, image or idea made up of simpler terms or measures is known as

a. Statistic

b. Parameter

c. Construct

d. Mean

e. Frequency

 

4. Primary data can be described as:

a. Data that have previously been gathered by someone other than the researcher and/orfor some other purpose than the research project at hand.

b. Data that is gathered by the researcher first hand specifically for the research project at hand.

c. Data that has been collected by the firm, such as sales records, purchase requisitions, and invoices in the past.

d. Both a and c are correct.

e. None of the above

 

5. Data that cannot be easily summarized in the form of numbers is known as:

a. Projective data.

b. Qualitative data.

c. Focus group data.

d. Mystery shopper data.

e. Quantitative data.

 

 

 

6. The assignment of numbers to observations or responses according to some set of rules is known as:

a. Reliability.

b. Construct.

c. Validity.

d. Measurement.

e. Statistic.

 

7. A scale that only possesses the characteristic of description and order is the:

a. Ordinal scale.

b. Lickert Scale.

c. Nominal scale.

d. Interval scale.                     

e. Ratio scale.

 

8. What type of scale are we using when we ask the gender

a. Ratio scale

b. Ordinal scale

c. Multiple-item scale

d. Interval scale

e. Nominal scale

 

9. What type of scale is the following?

What was your annual gross income before taxes last year?

a. Ordinal scale

b. Interval scale

c. Ratio scale

d. Constant-sum scale

e. Nominal scale

 

10. If a scale has distance, it certainly will possess:

a. Description and origin                    

b. Description and order

c. Order and origin                 

d. Description, order, and origin

e. None of the above

 

11. In a Census study, inferences are drawn from the data collected through,

a. Few units (Sample)

b. Half body of units

c. Entire body of units (Population)

d. None of the above

e. All of the above

 

 

 

 

12. The true population mean value for a variable, is known as

a. Sample.

b. Statistic.

c. Parameter.

d. Standard error.

e. Sampling error.

 

13. The mean value for a variable from a sample of population, is known as

a. Sample.

b. Statistic.

c. Parameter.

d. Standard error.

e. Sampling error.

 

14. Which measure of central tendency represents the most frequently occurring value for a specific variable?

a. The mode

b. The median

c. The mean

d. The range

e. The variance

 

15. What measures the spread of the data around the arithmetic mean?

a. The mean

b. The median

c.The mode

d.The range

e.The Standard Deviation

 

 

16. The amount of dissimilarity or similarity in respondents' answers to a particular question refers to the concept of

a. variability

b. standard error

c. sample accuracy

d. confidence interval

 

 

17. If the standard deviation is equal to zero, then there is ________ variability

a. Some

b. Much

c. No

d. none of the above are correct

 

 

18. Cargill found a standard deviation of 30 in their last survey administered to 900 clients. The standard error is equal to: (Recall the standard error calculation formula used in calculating the standard deviation of sampling distribution)

a.9.0

b. 0. 30

c.  0.033

d.1.0

 

19. In order to calculate the standard deviation, from a sample data, it is NOT necessary to know

a.sample size

b. sample mean

c.value for each data point in sample

d.population size

 

20. Which of the following will have the highest variability if the percentage of respondents to a fast food restaurant survey answer?

a.90% yes

b.70% no

c.20% yes

d.50% yes

 

 

 

 

 

 

  • 6 years ago
Statistics is an art and technique for systematically
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