The type of sampling that was used in each case is indicated as follows:
a. At a baseball game, you sit in a certain section. From each section 3 people are selected and will participate in an activity. [systematic]
b. Every 500th battery that is produced Is checked to see how long it lasts. [convenience]
c. To select a winner Of a door prize you place all-the tickets In a bowl and pick one out. [random]
d. A drug company wants to determine the effectiveness of a new medication. They put an advertisement on the radio asking non-smokers between the ages of 35 and 50 to call to participate in a study. [stratified]
e. A high-school wishes to see if hazing Is an issue within the school. TO do this the school divides the school by homerooms and takes a random sample of 50 homerooms, Sampling everyone in those rooms. [cluster]
f. A researcher gives one set of students a caffeine pill and another set of students a placebo. He looks at how well each group does at paying attention at school by pairing students in each group with each other. [matched-pair]
<h3>2. -Identify the following as continuous or discrete variables. </h3>
b. Number on a sports jersey [Discrete]
a. Lifetime, in hours, of 12 batteries [Continuous]
c. Number of drinks you order at a restaurant [Continuous]
<h3>What is sampling?</h3>
Sampling is a statistical analysis technique in which a preset number of observations are drawn from a larger population.
Depending on the sort of study being conducted, the methods utilized to sample from a broader population may include simple random sampling or systematic sampling.
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