What kind of variable results when a survey participant is asked to report name of the last fast food restaurant?
a. quantitative
b. qualitative
c. interval
d. rational
e. nominal
Answer: b. qualitative - "last" restaurant, ordered (can't be nominal)
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Business Analytics
- When some group is chosen because it is a group the researcher has access to, it is called a ___________________ and it is ________________ to represent the population well.
- Key values or summary characteristics that are derived from a population are called:
- An environmental advocacy group is interested in the perceptions of farmers about global climate change. Specifically, they wish to determine the percentage of organic farmers who are concerned that climate change will affect their crop yields. They use an alphabetized list of members of the Northeast Organic Farming Association, a nonprofit organization with over 5000 members in a multitude of states. They randomly select members from this list until they have succeeded in contacting 150 members. Which is the sampling frame? population? population parameter? sample?
- When all members of interest are included in the data collection, the design is considered a _____________.
- South Park International Airways wants to check on customer satisfaction with ticket prices and fees. As a large airline, it has over 1800 flights a day from fifteen different airports. Their in-house researchers, Kyle and Stan, randomly choose thirty flights (two departing flights from each airport) and survey all the passengers on those flights concerning their satisfaction, giving them a snack and beverage voucher which can be redeemed immediately upon turning in the survey. The researchers are ecstatic to note a ninety-seven percent survey completion rate. What type of sample is this?
- ____________ is a strategy used to reduce measurement error when collecting data.
- The Creative Design consulting group is reviewing a study designed to test a new presentation format on a website. In a basic required class of students enrolled in web design, they randomly assign half the class to the old format treatment and the other half to the new format. This illustrates a(n):
- If the single variable is categorical, which of the following is an appropriate graphic?
- Kenny is testing the tensile strength of experimental titanium sponge hair curlers for the Southpark Manufacture and Supply Company. He is comparing two chemical procedures used to increase the strength of the sponge curlers (Chemical A and Chemical B). Kenny is crushing each sponge curler in his sample to see how many pounds per square centimeter it withstands before it fails. Each sponge curler can be considered a(n):
- While shopping on the Your Tunes website, you note that after looking at the details of a particular item, pictures of other items appear at the bottom with the note that other shoppers who bought the particular item you research often purchased the pictured items. This particular target marketing for online shoppers is a product of:
- ________________ is when the entire population is surveyed and one drawback to using this method is ___________________.
- _________________ described any use of statistical analysis to drive business decisions from data.
- Given the population data set (113, 115, 117, 119, 127, 129) what is the variance? 35.66667 "u" is the symbol for
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