Answered

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Which of the following is an example of a random error?
In a written survey, people sometimes make errors in filling out the form.
A telephone survey will not accurately reflect the opinions of people who do not
have telephones.
Measurements are taken using an inaccurate scale that always reports a smaller
weight than the correct weight.
At a clinic, people are wearing shoes when their heights are measured.

Sagot :

Telephone so we will not accurately reflect opinions of people who do not have telephones at a clinic people are wearing shoes when they’re Heights or measured

that’s the answer you’re welcome

Random error is the chance difference between the original value of the set and the observed value. The correct example of the random error is the option 4 which is, At a clinic, people are wearing shoes when their heights are measured.

Random error

Random error is the chance difference between the original value of the set and the observed value. When we take the multiple measurement the values changes around the true value.

Lets check all the option which is the example of the random error.

  • In a written survey, people sometimes make errors in filling out the form- The large population data is not affected by the errors occurred as it can be differ each time.
  • A telephone survey will not accurately reflect the opinions of people who do not have telephones-As in the telephone survey the number of population is enough to get the results of the survey. Thus it is not the example of the random error.
  • Measurements are taken using an inaccurate scale that always reports a smaller weight than the correct weight-As the measurements are taken smaller but always similar. Thus this is not the example  of random error.
  • At a clinic, people are wearing shoes when their heights are measured- In the height measurement the measurement may differ each time for there body posture or the shoes they wear. Hence the true value comes different each time and will be near to the true value.

Hence the correct example of the random error is the option 4 which is, At a clinic, people are wearing shoes when their heights are measured.

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