Question Completion Status QUESTION 1 5 points Idently which sampling technique

Question

Question Completion Status QUESTION 1 5 points Idently which sampling technique was uned to select the given sample On a large college campus, facuity were selected uting random numbers annual salanies O1 Random O 2 Systematic O 4 Gluster QUESTION 2 dentty which sampling echnique was used to select the given sample. A researcher calls every 30th person in the phone book to ask what type eft heat they use in their home O 1 Random O 2 Systematic O 3 Straefed O 4 Cluster QUESTION 3 Classity each variable as qualitative or quantitative. The social security numbers of students at Afiansic Cape O 1 Qualitative O 2 Quanttative QUESTION 4 Classify each variable as qualitative or quantitative. The Sme it takes a student to complete a qiz O 1 Qualitative O 2 Quanttative QUESTION An represents data that occur over a specific period of time. QUESTION Classity each variable as discrete or continuous. Temperatures of airplane interiors at a given airport O 1.Discrete O 2 Continuous QUESTION 7 Classify each variable as discrete or continuous. Miles driven by the Port Authority bus drivers each day O 1. Discrete O 2 Continuous QUESTION aassity as ronnallevet ordnallevet·intervallevel, or rati level data Rang, of pizzas n Los Angeles (p O 1. Nominal O 2 Ordinal O 3 Interval O 4 Ratio , fir, docellern

Explanation / Answer

Question 1:
Option 1 - Random. (random selection of units in a sample)

Question 2:
Option 2 - Systematic. (sampling by selecting units using a fixed periodic interval)

Question 3:
Option 1 - Qualitative. (social security numbers are categorical, they don't represent any quantity)

Question 4:
Option 2 - Quantitative. (time represents a quantity)

Question 5:
A time series graph represents data that occur over a specific period of time.

Question 6:
Option 2 - Continuous. (temperatures can be in decimals or whole numbers)

Question 7:
Option 2 - Continuous. (miles driven can be in decimals or whole numbers)

Question 8:
Option 2 - Ordinal. (ratings are ordered, hence ordinal level of measurement)

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