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Select all the studies in which the results may have been skewed by bias. For each study, assume a normal distribution.
a study of employee satisfaction, with 25% of the data having a z-score greater than 1
a study on crosswalk wait times with 95% of the data falling within 1 standard deviation of the
population mean
a study on the average length of hiking trails in all state parks, with 50% of the data falling below
the population mean
a study with a significantly smaller than expected standard deviation about the sample mean
a study on cooking times at high altitudes, with 90% of the data falling above the population mean
a study of employees' annual number of vacation days, with a large standard deviation about the
mean

Respuesta :

Answer:

a study with a significantly smaller than expected standard deviation about the sample mean

a study on cooking times at high altitudes, with 90% of the data falling above the population mean

a study on crosswalk wait times with 95% of the data falling within 1 standard deviation of the population mean

Explanation:

took the test

The studies in which the results may have been skewed by bias are:

  • a study with a significantly smaller than expected standard deviation about the sample mean
  • a study on cooking times at high altitudes, with 90% of the data falling above the population mean
  • a study on crosswalk wait times with 95% of the data falling within 1 standard deviation of the population mean

What is bias?

Bias is a disproportionate weight in favor of or against an idea or thing, usually in a way that is closed-minded, prejudicial, or unfair.

People may develop biases for or against an individual, a group, or a belief. In science and engineering, a bias is a systematic error

Learn more about bias on:

https://brainly.com/question/2514169

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