LS23L -SET A Exam | Questions with 100%
Correct Answers | Verified | Latest Update
2026/2027
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Terms in this set (80)
A p-value of 0.04 obtained 4, chance, alternative
from a two-tailed t-test means
that there is a ___% chance that
the obtained results are due to
______. Given the conventional
significance level, you would
accept that the ______
hypothesis is correct.
A researcher obtained a p- There is a 98% likelihood that the sample
value of 0.02 when comparing groups are significantly different.
the performance of two
sample groups on the MIT.
Which of the following
conclusions can be drawn
based on this p-value?
,Which of the following would B) Men of age 35-50 who take
be an appropriate null Cholesterol-B-Gone every day for three
hypothesis to test whether the months will experience no change in
newest cholesterol lowering their cholesterol levels.
drug, Cholesterol-B-Gone, is
effective for men of age 35-
50?
a) Men of age 35-50 who do
not take Cholesterol-B-Gone
once a day for three months
will experience a decrease in
their cholesterol levels.
b) Men of age 35-50 who take
Cholesterol-B-Gone every
day for three months will
experience no change in their
cholesterol levels.
c)Men of age 35-50 who take
Cholesterol-B-Gone every
day for three months will see
an increase in their cholesterol
level.
d) Men of age 35-50 who take
Cholesterol-B-Gone once a
day for three months will
experience a decrease in their
cholesterol levels.
e) Men of age 35-50 who do
not take Cholesterol-B-Gone
once a day for three months
, o ce a day o t ee o t s
will experience no change in
their cholesterol levels
The t-value obtained in a t-test the difference between the mean of the
calculation is given as a ratio groups/the standard error of the
of: difference between the means
Correct Answers | Verified | Latest Update
2026/2027
Save
Terms in this set (80)
A p-value of 0.04 obtained 4, chance, alternative
from a two-tailed t-test means
that there is a ___% chance that
the obtained results are due to
______. Given the conventional
significance level, you would
accept that the ______
hypothesis is correct.
A researcher obtained a p- There is a 98% likelihood that the sample
value of 0.02 when comparing groups are significantly different.
the performance of two
sample groups on the MIT.
Which of the following
conclusions can be drawn
based on this p-value?
,Which of the following would B) Men of age 35-50 who take
be an appropriate null Cholesterol-B-Gone every day for three
hypothesis to test whether the months will experience no change in
newest cholesterol lowering their cholesterol levels.
drug, Cholesterol-B-Gone, is
effective for men of age 35-
50?
a) Men of age 35-50 who do
not take Cholesterol-B-Gone
once a day for three months
will experience a decrease in
their cholesterol levels.
b) Men of age 35-50 who take
Cholesterol-B-Gone every
day for three months will
experience no change in their
cholesterol levels.
c)Men of age 35-50 who take
Cholesterol-B-Gone every
day for three months will see
an increase in their cholesterol
level.
d) Men of age 35-50 who take
Cholesterol-B-Gone once a
day for three months will
experience a decrease in their
cholesterol levels.
e) Men of age 35-50 who do
not take Cholesterol-B-Gone
once a day for three months
, o ce a day o t ee o t s
will experience no change in
their cholesterol levels
The t-value obtained in a t-test the difference between the mean of the
calculation is given as a ratio groups/the standard error of the
of: difference between the means
