Compute the mean and standard deviation of the given sample. mean =-188 standard = 457 (b) Fill in the blank. HINT [See Example 2(b).] Assuming that the distribution of day-by-day changes of the Dow during financial crises is symmetric and bell-shaped, then the Dow falls by more than _______ points 16% of the time. What is the percentage of times in the sample that the Dow actually fell by more than that amount?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Compute the mean and standard deviation of the given sample.
mean =-188
standard = 457
(b)
Fill in the blank. HINT [See Example 2(b).]
Assuming that the distribution of day-by-day changes of the Dow during financial crises is symmetric and bell-shaped, then the Dow falls by more than _______ points 16% of the time.
What is the percentage of times in the sample that the Dow actually fell by more than that amount?
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