Three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds (in miles per hour) of the tested cars are given below. Please note the sample sizes are not equal. Manufac Manufac Manufac A B C 176 175 180 172 180 175 179 169 178 153 175 189 Sample 173.80 174.75 177.67 mean Sample 174.70 20.25 6.33 Variance 1. Find the overall mean (Round to second decimal place.) Calculate SSTR (Round to second decimal place.)
Three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds (in miles per hour) of the tested cars are given below. Please note the sample sizes are not equal. Manufac Manufac Manufac A B C 176 175 180 172 180 175 179 169 178 153 175 189 Sample 173.80 174.75 177.67 mean Sample 174.70 20.25 6.33 Variance 1. Find the overall mean (Round to second decimal place.) Calculate SSTR (Round to second decimal place.)
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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Question

Transcribed Image Text:Three major automobile manufacturers have entered their cars in the Indianapolis 500 race. The speeds (in miles per
hour) of the tested cars are given below. Please note the sample sizes are not equal.
Manufac Manufac Manufac
A
B
C
176
175
180
172
180
175
179
169
178
153
175
189
Sample
173.80 174.75 177.67
mean
Sample
174.70 20.25 6.33
Variance
1. Find the overall mean (Round to second decimal place.)
2. Calculate SSTR (Round to second decimal place.)
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