10. A random sample is selected from a normal popula- tion with a mean of u 40 and a standard deviation of o 6. After a treatment is administered to the %3D individuals in the sample, the sample mean is found to be M 37. a. If the sample consists of n 36 scores, is the sample mean sufficient to conclude that the treat- ment has a significant effect? Use a two-tailed test with a = %3D b. If the sample consists of n-9 scores, is the sample mean sufficient to conclude that the treatment has a significant effect? Use a two-tailed test with

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I need assistance with #10 A-C
ditional class? Use a two-tailed test with a =.05.
b. If the population standard deviation is o =
sample sufficient to demonstrate a significant differ-
ence? Again, use a two-tailed test with a = .05.
c. Comparing your answers for parts a and b, explain
how the magnitude of the standard deviation influ-
ences the outcome of a hypothesis test.
The de
18, is the
was m
sense
rating
to form
standar
the mo
data inc
10. A random sample is selected from a normal popula-
tion with a mean of u
of o 6. After a treatment is administered to the
descrip
Use a o
- 40 and a standard deviation
individuals in the sample, the sample mean is found to
be M 37.
13. A rande
tion wit
a. If the sample consists of n - 36 scores, is the
sample mean sufficient to conclude that the treat-
ment has a significant effect? Use a two-tailed test
with a .05.
b. If the sample consists of n 9 scores, is the sample
mean sufficient to conclude that the treatment has
a significant effect? Use a two-tailed test with
a =.05.
of o =
individu
be M-
а. How
mean
tailed
b. If thE
IS nee
c. Comparing your answers for parts a and b, explain
how the size of the sample influences the outcome
of a hypothesis test.
11. A random sample of n- 16 scores is selected from
a normal population with a mean of p 50. After
a treatment is administered to the individuals in the
sample. the sample mean is found to be AM 54.
a. If the population standard deviation isu 8. is the
14. Research
northeasta
90 Fahre
started in
distributic
deviation
evidence c
4.
/5
Transcribed Image Text:ditional class? Use a two-tailed test with a =.05. b. If the population standard deviation is o = sample sufficient to demonstrate a significant differ- ence? Again, use a two-tailed test with a = .05. c. Comparing your answers for parts a and b, explain how the magnitude of the standard deviation influ- ences the outcome of a hypothesis test. The de 18, is the was m sense rating to form standar the mo data inc 10. A random sample is selected from a normal popula- tion with a mean of u of o 6. After a treatment is administered to the descrip Use a o - 40 and a standard deviation individuals in the sample, the sample mean is found to be M 37. 13. A rande tion wit a. If the sample consists of n - 36 scores, is the sample mean sufficient to conclude that the treat- ment has a significant effect? Use a two-tailed test with a .05. b. If the sample consists of n 9 scores, is the sample mean sufficient to conclude that the treatment has a significant effect? Use a two-tailed test with a =.05. of o = individu be M- а. How mean tailed b. If thE IS nee c. Comparing your answers for parts a and b, explain how the size of the sample influences the outcome of a hypothesis test. 11. A random sample of n- 16 scores is selected from a normal population with a mean of p 50. After a treatment is administered to the individuals in the sample. the sample mean is found to be AM 54. a. If the population standard deviation isu 8. is the 14. Research northeasta 90 Fahre started in distributic deviation evidence c 4. /5
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