StatTutor Lesson - What is Statistics?

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      Question 1

      83

      Question 1.

      Which of the following can be used to find truth?

      A.
      B.
      C.

      Incorrect. Applying the scientific method allows us to confirm a theory through experimentation and analysis.
      Correct. Applying the scientific method allows us to confirm a theory through experimentation and analysis.
      Incorrect. Try again.
      2

      Question 2

      141

      Question 2.

      Which of the following is NOT one of the steps of the scientific method?

      A.
      B.
      C.
      D.
      E.

      Incorrect. Taking a survey will find out peoples’ opinions, but not ascertain truth.
      Correct. Taking a survey will find out peoples’ opinions, but not ascertain truth.
      Incorrect. Try again.
      2

      Questions 3-5

      288

      Question 3.

      True or false: Conclusions from an experiment done as part of applying the scientific method can be drawn with absolute certainty.

      A.
      B.

      Incorrect. No theory can be confirmed with absolute certainty due to variation.
      Correct. No theory can be confirmed with absolute certainty due to variation.
      Incorrect. Try again.
      2

      Questions 6-7

      349

      Question 6.

      Which of the following are sources of variation?

      A.
      B.
      C.
      D.

      Incorrect. All of these are sources of variation.
      Correct. All of these are sources of variation.
      Incorrect. Try again.
      2

      Question 8

      389

      Question 8.

      Why do peppers vary in “hotness?"

      A.
      B.
      C.

      Incorrect. Some species of peppers are hotter than others.
      Correct. Some species of peppers are hotter than others.
      Incorrect. Try again.
      2

      Question 9

      416

      Question 9.

      True or false: All people who look the same have the same opinions.

      A.
      B.

      Incorrect. Just because people look the same does not mean that they think the same.
      Correct. Just because people look the same does not mean that they think the same.
      Incorrect. Try again.
      2

      Questions 10-11

      444

      Question 10.

      True or false: Many people must be surveyed in a study because people think differently.

      A.
      B.

      Incorrect. This is a correct statement because of variation.
      Correct. This is a correct statement because of variation.
      Incorrect. Try again.
      2

      Question 12

      465

      Question 12.

      Which of the following is NOT part of the science of statistics?

      A.
      B.
      C.
      D.

      Incorrect. In statistics, we collect data, summarize data and draw conclusions from data—all part of the scientific method. We do not necessarily search the internet.
      Correct. In statistics, we collect data, summarize data and draw conclusions from data—all part of the scientific method. We do not necessarily search the internet.
      Incorrect. Try again.
      2

      Question 13

      507

      Question 13.

      Why do we make statistical conclusions using probability?

      A.
      B.
      C.

      Incorrect. Because of variation, conclusions are made with probability and stated reflecting our uncertainty.
      Correct. Because of variation, conclusions are made with probability and stated reflecting our uncertainty.
      Incorrect. Try again.
      2

      Questions 14-16

      586

      Question 14.

      True or false: How data are collected determines what conclusions can be drawn.

      A.
      B.

      Incorrect. This is a correct statement.
      Correct. This is a correct statement.
      Incorrect. Try again.
      2

      Question 17

      648

      Question 17.

      True or false: Florence Nightingale is a famous statistician who used data and data analysis to draw conclusions.

      A.
      B.

      Incorrect. This is a correct statement.
      Correct. This is a correct statement.
      Incorrect. Try again.
      2

      Questions 18-20

      703

      Question 18.

      True or false: Statistics is used to find truth.

      A.
      B.

      Incorrect. This is a correct statement.
      Correct. This is a correct statement.
      Incorrect. Try again.
      2