The statement \"Four out of five doctors surveyed recommend Brand X\" uses ____

Question

The statement "Four out of five doctors surveyed recommend Brand X" uses ____ statistics. qualitative inferential descriptive nonparametric normative One investigating company tracked all credit card purchase during 2016 and measured two variables: (1) the type of credit card used (VISA, MasterCard, American Express, or Discover) and (2) the amount (in dollars) of each purchase. Identify the level of each variable measured. Ordinal level, Interval level Ordinal level, Nominal level Nominal level, Interval level Nominal level, Ordinal level Ratio level, Ordinal level

Explanation / Answer

17) It is a descriptive stat. Descriptive statistics are used to describe the basic features of the data in a study. They provide simple summaries about the sample and the measures. Together with simple graphics analysis, they form the basis of virtually every quantitative analysis of data.

18) Nominal variables are used to “name,” or label a series of values. Ordinal scales provide good information about the order of choices, such as in a customer satisfaction survey. Intervalscales give us the order of values + the ability to quantify the difference between each one. Finally, Ratio scales give us the ultimate–order, interval values, plus the ability to calculate ratios since a “true zero” can be defined.

So, C option

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