The personal director of an engineering company believes that there is a significant positive correlation between the distance (in miles) an employee travels to work, x, and the number of minutes per month the employee is late, y. The sample data from a random sampling of 10 employees is shown in the table below. Is the personal director correct? Use a = 5%.
The personal director of an engineering company believes that there is a significant positive correlation between the distance (in miles) an employee travels to work, x, and the number of minutes per month the employee is late, y. The sample data from a random sampling of 10 employees is shown in the table below. Is the personal director correct? Use a = 5%.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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
Transcribed Image Text:The personal director of an engineering company believes that there is a significant positive correlation
between the distance (in miles) an employee travels to work, x, and the number of minutes per month the
employee is late, y. The sample data from a random sampling of 10 employees is shown in the table below.
Is the personal director correct? Use a = 5%.
x77 18 22 25 28 36 43 44 53
y 4 4 3 30 3959 11
(a) State the hypotheses:
Ho: The Select an answer
v of miles traveled to work and minutes late per month
Select an answer
Symbols: O pO T0 µ1 - P20 µzOHO HOPO Hz-h
Ha: The Select an answer
v of miles traveled to work and minutes late per month
Select an answer,
Select an answe
are independent
are dependent
have a correlation
is less than
have no correlation
is more than
rule:
v at a = 5
V o % if the p-value of the
is equal to
sample statistic
O is less than or equal to 0.05
(c) Experiment:
Symbol of the sample statistic:
Op
Op
OPi- P2

Transcribed Image Text:The personal director of an engineering company believes that there is a significant positive correlation
between the distance (in miles) an employee travels to work, x, and the number of minutes per month the
employee is late, y. The sample data from a random sampling of 10 employees is shown in the table below.
Is the personal director correct? Use a = 5%.
x77 18 22 25 28 36 4344 53
y 44 3 3 03959 11
(a) State the hypotheses:
Ho: The Select an answer
v of miles traveled to work and minutes late per month
Select an answer
Symbols: O pO IO µ1 - 0 p0 HOpO Hz-22
Ha: The Select an answer
of miles traveled to work and minutes late per month
Select an answer
Select an
population proportion
sample proportion
Symbols: sample mean
DEO µ1 - H2 ?v
population correlation coefficient
population classification
(b) State population mean
sample correlation coefficient
Select an sample classification
o % if the p-value of the
sample statistic
o is less than or equal to 0.05
(c) Experiment:
Symbol of the sample statistic:
Op
Op
OPi - P2
O Pp
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