What is the Standard Error of the Estimate? - Formula & Examples

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question 1 of 3

The high temperature in a city was measured 10 different days during the month, and the mean highest daily temperature over those 10 days was 42 degrees. If the standard deviation of these measurements was 5.6 degrees, what was the standard error?

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1. The high temperature in a city was measured 10 different days during the month, and the mean highest daily temperature over those 10 days was 42 degrees. The standard error of these measurements was 1.77. Construct a 95% confidence interval for the high temperature in the city in the entire month.

2.

Sam wants to know what the average score on the final exam in his math class was. He asks 10 of his friends for their scores and found that the mean was 82%. There were a total of 40 students in his class.

In this situation, what is the population?

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About This Quiz & Worksheet

Take this quiz and worksheet to quickly find out what you know about standard error. You will be asked to solve for standard error and standard deviation.

Quiz & Worksheet Goals

In this assessment you'll practice using your understanding of:

  • Finding standard error for a data set with a known standard deviation
  • How to create a confidence interval with a known standard error
  • What standard error means

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the material, such as identifying population in a data set
  • Defining key concepts - ensure that you can accurately define main phrases, such as standard error
  • Knowledge application - use your knowledge to answer questions about finding the standard error when standard deviation is known

Additional Learning

If you would like to learn more about this concept, review the lesson titled What is the Standard Error of the Estimate? - Formula & Examples. It will explain subjects like:

  • What a sample is
  • Example calculations for standard error
  • What a low standard error means for data variability
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