# If an analyst computes statistics from a sample the

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57) If an analyst computes statistics from a sample, the sample is by definitiona statistical sample.
Diff: 2Keywords: sample, statisticSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 358) When a group of university students takes a poll of their fellow students onwhether they support a proposed fee increase, the sampling method they
would use when students walking near the library are surveyed would be called a random sample.
Diff: 2Keywords: random sampleSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 359) A pharmaceutical company conducts a study where 50 patients are given a drug. They find that 10 percent of patients experience nausea as a side effect. This 10 percent is an example of a parameter.
Diff: 2Keywords: parameter, statisticSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 360) It is possible for a nonstatistical sample to yield statistics that have values closer to the corresponding parameter than will a statistical sample.
Diff: 3Keywords: nonstatistical sampleSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 361) One of the most common statistical sampling techniques is convenience sampling.
Diff: 2Keywords: convenience sampleSection: 1-3 Populations, Samples and Sampling Techniques
Outcome: 362) Possibly the most frequently used nonstatistical sampling procedure is thesimple random sample.
Diff: 1Keywords: simple random sampleSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 363) A common underpinning of all statistical sampling techniques is the concept of random selection.
Diff: 1Keywords: random sampleSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 364) Simple random sampling involves selecting members of the population in such as way that all members are equally likely to be chosen.
Diff: 1Keywords: sampling techniquesSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 365) When stratified random sampling is employed, the population is divided into homogeneous subgroups called strata.
Diff: 2Keywords: stratified random sampleSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 366) In election years, the polls that are conducted by such companies as Gallup and Harris typically employ stratified random sampling to reduce the number of people that will need to be surveyed.
Diff: 2Keywords: stratified random sampleSection: 1-3 Populations, Samples and Sampling TechniquesOutcome: 3