68% of statistics 95% of statistics 99.7% of statistics Mean A Mean 1 st. 1 st. 2 st dev 3 st. dev 2 st. dev below 3 st dev above dev dev above below below above pose that the scores on a statewide standardized test are normally distributed with a mean of and a standard deviation of 4. According to the Empirical Rule... % of test scores are between 52 and 76. % of test scores are above 76. % of test scores are below 60. Mean 4
68% of statistics 95% of statistics 99.7% of statistics Mean A Mean 1 st. 1 st. 2 st dev 3 st. dev 2 st. dev below 3 st dev above dev dev above below below above pose that the scores on a statewide standardized test are normally distributed with a mean of and a standard deviation of 4. According to the Empirical Rule... % of test scores are between 52 and 76. % of test scores are above 76. % of test scores are below 60. Mean 4
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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
Transcribed Image Text:68% of
statistics
Mean
95% of
statistics
99.7% of
statistics
4
Mean
Mean
1 st.
1 st.
2 st dev
3 st. dev
3 st dev
2 st. dev
below
dev
dev
above
below
above
below
above
Suppose that the scores on a statewide standardized test are normally distributed with a mean of
64 and a standard deviation of 4. According to the Empirical Rule...
(a)
% of test scores are between 52 and 76.
(b)
% of test scores are above 76.
(c)
% of test scores are below 60.
(d) According to the 2 Standard Deviation Rule, data values that are more than 2 standard
deviations away from the mean of the distribution are considered to be "unusually high" or
"unusually low." According to this rule, it would be unusual for a test score to be less than
Question Help: Video
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