Concept explainers
(a)
To find: The distribution using
(a)
Answer to Problem 119E
Solution: The calculated values are
Explanation of Solution
Calculation: The
With the given values of mean and standard deviation, the
Step 1: For calculating 68% of data,
Step 2: For calculating 95% of data,
Step 3: For calculating 99.7% of data,
To explain: Whether the above rule is applicable or not.
Answer to Problem 119E
Solution: This rule is not applicable.
Explanation of Solution
To find: The distribution using
Answer to Problem 119E
Solution: The calculated values are
Explanation of Solution
Calculation: The
With the given values of mean and standard deviation, the range of scores for the students can be obtained by the following steps shown below:
Step 1: For calculating 68% of data,
Step 2: For calculating 95% of data,
Step 3: For calculating 99.7% of data,
To explain: Whether the above rule is applicable or not.
Answer to Problem 119E
Solution: This rule is also not applicable.
Explanation of Solution
To explain: Whether the data supports conventional wisdom or not.
Answer to Problem 119E
Solution: Data does not support conventional wisdom.
Explanation of Solution
(b)
To explain: The conclusion from the observation.
(b)
Answer to Problem 119E
Solution: Both men and women from Mexico tend to speak more than those from United states.
Explanation of Solution
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Chapter 1 Solutions
Introduction to the Practice of Statistics: w/CrunchIt/EESEE Access Card
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