# Statistics is an art and technique for systematically

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**Statistics is an art and technique for systematically:**- Recording data.
- Analyzing data.
- Interpreting data.
- Collecting data.
- All of these.

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**A measure of any attribute, belief, or attitude, taking data from the entire population is referred as,**- Statistic
- Parameter
- Construct
- Mean
- Frequency

**A complex measure involving any attribute, belief, attitude, image or idea made up of simpler terms or measures is known as**- Statistic
- Parameter
- Construct
- Mean
- Frequency

**Primary data can be described as:**- Data that have previously been gathered by someone other than the researcher and/orfor some other purpose than the research project at hand.
- Data that is gathered by the researcher first hand specifically for the research project at hand.
- Data that has been collected by the firm, such as sales records, purchase requisitions, and invoices in the past.
- Both a and c are correct.
- None of the above

**Data that cannot be easily summarized in the form of numbers is known as:**- Projective data.
- Qualitative data.
- Focus group data.
- Mystery shopper data.
- Quantitative data.

**The assignment of numbers to observations or responses according to some set of rules is known as:**- Reliability.
- Construct.
- Validity.
- Measurement.
- Statistic.

**A scale that only possesses the characteristic of description and order is the:**- Ordinal scale.
- Lickert Scale.
- Nominal scale.
- Interval scale.
- Ratio scale.

**What type of scale are we using when we ask the gender**- Ratio scale
- Ordinal scale
- Multiple-item scale
- Interval scale
- Nominal scale

**What type of scale is the following?**

*What was your annual gross income before taxes last year?*

- Ordinal scale
- Interval scale
- Ratio scale
- Constant-sum scale
- Nominal scale

**If a scale has distance, it certainly will possess:**- Description and origin
- Description and order
- Order and origin
- Description, order, and origin
- None of the above

**In a Census study, inferences are drawn from the data collected through,**- Few units (Sample)
- Half body of units
- Entire body of units (Population)
- None of the above
- All of the above

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**The true population mean value for a variable, is known as**- Sample.
- Statistic.
- Parameter.
- Standard error.
- Sampling error.

**The mean value for a variable from a sample of population, is known as**- Sample.
- Statistic.
- Parameter.
- Standard error.
- Sampling error.

**Which measure of central tendency represents the most frequently occurring value for a specific variable?**- The mode
- The median
- The mean
- The range
- The variance

**What measures the spread of the data around the arithmetic mean?**- The mean
- The median

c.The mode

d.The range

e.The Standard Deviation

**The amount of dissimilarity or similarity in respondents’ answers to a particular question refers to the concept of**- variability
- standard error
- sample accuracy
- confidence interval

**If the standard deviation is equal to zero, then there is ________ variability**- Some
- Much
- No
- none of the above are correct

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**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
- 0.033

d.1.0

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

a.sample size

- sample mean

c.value for each data point in sample

d.population size

**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

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