Please no written by hand solution and no img Assume that Friday morning taxi-cab rides have times with a standard deviation of σ=9.7 minutes. A cab driver records times of rides during a Friday afternoon time period and obtains these statistics: n=12, x=21.2 minutes, s=13.1 minutes. Use a 0.01 significance level to test the claim that these Friday afternoon times have greater variation than the Friday morning times. Assume that the sample is a simple random sample selected from a normally distributed population. Question content area bottom Part 1 Let σ denote the population standard deviation of Friday afternoon cab-ride times. Identify the null and alternative hypotheses. H0: σ ▼ not equals≠ less than< greater than> equals= enter your response here H1: σ ▼ not equals≠ greater than> less than< equals= enter your response here (Type integers or decimals. Do not round.)
Please no written by hand solution and no img
Assume that Friday morning taxi-cab rides have times with a standard deviation of
σ=9.7
minutes. A cab driver records times of rides during a Friday afternoon time period and obtains these statistics:
n=12,
x=21.2
minutes,
s=13.1
minutes. Use a
0.01
significance level to test the claim that these Friday afternoon times have greater variation than the Friday morning times. Assume that the sample is a simple random sample selected from a
Question content area bottom
Part 1
Let
σ
denote the population standard deviation of Friday afternoon cab-ride times. Identify the null and alternative hypotheses.
H0:
σ
▼
not equals≠
less than<
greater than>
equals=
enter your response here
H1:
σ
▼
not equals≠
greater than>
less than<
equals=
enter your response here
(Type integers or decimals. Do not round.)
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