MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question 11

**Brain Volume Analysis: Identifying Significantly Low and High Values**

The brain volumes (cm³) of 20 brains have a mean of 1125.5 cm³ and a standard deviation of 128.5 cm³. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1422.5 cm³ be significantly high?

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**Significantly Low Values:**

Significantly low values are ______ cm³ or lower.
*(Type an integer or a decimal. Do not round.)*

**Significantly High Values:**

Significantly high values are ______ cm³ or higher.
*(Type an integer or a decimal. Do not round.)*

---

**Question:**

Is 1422.5 cm³ significantly high?

**Options:**
- A. No, because it is between the limits separating values.
- B. Yes, because it is above the upper limit separating value.
- C. No, because it is above the upper limit separating value.
- D. No, because it is below the lower limit separating value.
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Transcribed Image Text:**Brain Volume Analysis: Identifying Significantly Low and High Values** The brain volumes (cm³) of 20 brains have a mean of 1125.5 cm³ and a standard deviation of 128.5 cm³. Use the given standard deviation and the range rule of thumb to identify the limits separating values that are significantly low or significantly high. For such data, would a brain volume of 1422.5 cm³ be significantly high? --- **Significantly Low Values:** Significantly low values are ______ cm³ or lower. *(Type an integer or a decimal. Do not round.)* **Significantly High Values:** Significantly high values are ______ cm³ or higher. *(Type an integer or a decimal. Do not round.)* --- **Question:** Is 1422.5 cm³ significantly high? **Options:** - A. No, because it is between the limits separating values. - B. Yes, because it is above the upper limit separating value. - C. No, because it is above the upper limit separating value. - D. No, because it is below the lower limit separating value.
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