What is the mean? μ=μ=Answer 2) What is the standard deviation? σ=σ= Answer 3) What is the raw data value (xx-value) that corresponds with 1 standard deviation below the mean? Answer (Click to view hint)
Use the Empirical Rule to answer the following questions about the length of pregnancies in humans.
The length of the human pregnancy is not fixed. It is know that it varies according to a distribution that is roughly normal, with a
1) What is the mean? μ=μ=Answer
2) What is the standard deviation? σ=σ= Answer
3) What is the raw data value (xx-value) that corresponds with 1 standard deviation below the mean? Answer (Click to view hint)
4) What is the raw data value that corresponds with 1 standard deviation above the mean? Answer (Click to view hint)
5) What is the raw data value that corresponds with 2 standard deviation below the mean? Answer (Click to view hint)
6) What is the raw data value that corresponds with 2 standard deviation above the mean? Answer (Click to view hint)
7) What is the raw data value that corresponds with 3 standard deviation below the mean? Answer (Click to view hint)
8) What is the raw data value that corresponds with 3 standard deviation above the mean? Answer (Click to view hint)
9) Based on the information that is given, can you draw a rough estimate of what the histogram would look like? (Click to view hint)
10) Approximately what percent of the pregnancies last between 250 and 282 days? Answer%
11) The middle 95% of pregnancies last between approximately Answer and Answer days.
12) Approximately what percent of the pregnancies last between 218 and 314 days? Answer%
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