Give as much information as you can about the P -value of a t test in each of th
ID: 3397999 • Letter: G
Question
Give as much information as you can about the P-value of a t test in each of the following situations. (Round your answers to three decimal places.)
I KINDLY ASK TO PLEASE SHOW ALL THE STEPS. DO NOT JUST GIVE FINAL ANSWERS.
(a) Upper-tailed test,
df = 7,
t = 2.0
P-value < 0.005
0.005 < P-value < 0.01
0.01 < P-value < 0.025
0.025 < P-value < 0.05
P-value > 0.05
(b) Upper-tailed test,
n = 13,
t = 3.2
P-value < 0.005
0.005 < P-value < 0.01
0.01 < P-value < 0.025
0.025 < P-value < 0.05
P-value > 0.05
(c) Lower-tailed test,
df = 10,
t = 2.4
P-value < 0.005
0.005 < P-value < 0.01
0.01 < P-value < 0.025
0.025 < P-value < 0.05
P-value > 0.05
(d) Lower-tailed test,
n = 23,
t = 4.2
P-value < 0.005
0.005 < P-value < 0.01
0.01 < P-value < 0.025
0.025 < P-value < 0.05
P-value > 0.05
(e) Two-tailed test,
df = 14,
t = 1.7
P-value < 0.01
0.01 < P-value < 0.02
0.02 < P-value < 0.05
0.05 < P-value < 0.1
P-value > 0.1
(f) Two-tailed test,
n = 15,
t = 1.7
P-value < 0.01
0.01 < P-value < 0.02
0.02 < P-value < 0.05
0.05 < P-value < 0.1
P-value > 0.1
(g) Two-tailed test,
n = 14,
t = 6.1
P-value < 0.01
0.01 < P-value < 0.02
0.02 < P-value < 0.05
0.05 < P-value < 0.1
P-value > 0.1
Explanation / Answer
(a) Upper-tailed test,
df = 7,
t = 2.0
we just need to see in the tables the degree of freedom and see in what values of alpha ( p value) is the value of 2.0
in this case p value is between 0.05 and 0.025
0.025 < P-value < 0.05
(b) Upper-tailed test,
n = 13,
t = 3.2
the same steps, looking in df = 12 and we will find a value closer th 3.2 in that row
in this case p value is between 0.005 and 0.0025
P-value > 0.05
(c) Lower-tailed test,
df = 10,
t = 2.4
0.025 < P-value < 0.05
(d) Lower-tailed test,
n = 23,
t = 4.2
P-value < 0.005
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