Question
Question Renee walks a mile in 16.1 minutes, on average, with a standard deviation of 0.4 . She decided to see if using new shoes
Question
Renee walks a mile in 16.1
minutes, on average, with a standard deviation of 0.4
. She decided to see if using new shoes improves her time. She used the new shoes for 15
walks. For those 15
walks, Renee got an average of 16
minutes. She wants to know if the new shoes helped her walk a faster mile. Which of the answer choices shows the correct first three steps of a one-mean hypothesis test at the 1%
significance level?
Select the correct answer below:
H
0
:=16.1
; H
a
:<16.1
, which is a left-tailed test.
=0.01
.
z
0
=1616.1
0.4
15
0.968
.
H
0
:=16.1
; H
a
:>16.1
, which is a right-tailed test.
=0.01
.
z
0
=1616.1
0.4
15
0.968
.
H
0
:=16.1
; H
a
:<16.1
, which is a left-tailed test.
=0.01
.
z
0
=16.116
15
0.4
0.004
.
H
0
:=16
; H
a
:>16
, which is a right-tailed test.
=0.01
.
z
0
=16.116
0.4
15
0.968
.
H
0
:=16.1
; H
a
:>16.1
, which is a right-tailed test.
=0.01
.
z
0
=1616.1
15
0.4
0.004
.
H
0
:=16
; H
a
:<16
, which is a left-tailed test.
=0.01
.
z
0
=16.116
0.4
15
0.968
.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started