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11. In a group presentation, the average geometric r easoning of Grade 10 students in a M athematics camp was observed to be 80 with s standard deviation of 4. A researcher wants to replicate the study to estimate the true popul ation mean μ to within 0 .5 maximum error. If the 9 8 % level of confidence is adopted , how many respondents are needed?

11. In a group presentation, the average geometric r easoning of Grade 10 students in a M athematics camp was observed to be 80 with s standard deviation of 4. A researcher wants to replicate the study to estimate the true popul ation mean μ to within 0 .5 maximum error. If the 9 8 % level of confidence is adopted , how many respondents are needed?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1
0. s = 3.25,
n
= 17, confidence interval: 95%
C.
Solve the
following
problem
s.
11. In a group presentation, the average geometric r
easoning of Grade 10 students
in a
M
athematics camp was observed to be 80 with s standard deviation of 4. A
researcher wants to replicate the study to estimate the true popul
ation
mean
μ
to
within
0
.5 maximum error. If the 9
8
% level of confidence is adopted
, how many
respondents are needed?
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