EBook Problems EDA DataTypes

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EBook Problems Set - Types of Data Problems

Problem 1

Six Flaggs Magic Mountain has just built a brand new roller coaster. In the first week, the ride became very popular. People are waiting for up to 4 hours for the ride. Management is getting concerned about how their customers are feeling about this. They survey every 20th person in the line, starting from a randomly selected person.

What kind of sample is this?

  • Choose one answer.
(a) convenience sample
(b) systematic sample
(c) stratified sample
(d) multistage sample

Problem 2

For a certain project, you are tasked to measure the weights of everyone in a certain class. What sort of variable is the weight?

  • Choose one answer.
(a) Continuous
(b) Discrete

Problem 3

The EPA took soil samples at 25 locations near a former nuclear waste dump and checked each for evidence of harmful radiation. They found no harmful levels of radiation. What is the population in this case?

  • Choose one answer.
(a) All soil in America
(b) Every nuclear waste dump
(c) Soil around a former nuclear waste dump
(d) All soil with harmful levels of radiation


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