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Current learning objective: z-Scores
Question 20
Score: 0 of 4 points
Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches.
Find the -score of a man 76.9 inches tall.
Round your answer to 2 decimal places.

Ask by Delgado Washington. in the United States
Mar 15,2025

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Answer

The -score is 2.82.

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Mind Expander

To find the -score of a man who is 76.9 inches tall, you’ll need to use the formula:
Where:
  • is the value you’re examining (76.9 inches),
  • is the mean (69.0 inches),
  • is the standard deviation (2.8 inches).
Plug in the numbers:
So, the -score for a man who is 76.9 inches tall is approximately 2.82 when rounded to two decimal places!
Keep in mind that a -score of 2.82 indicates that this man is 2.82 standard deviations above the average height for adult men.

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