JUst as that you Back 22.4 24.0 at is the Calculate the F ratio and compare it to the is the effect on the F ratio of doubling the 27.0 Fratio you calculated for Exercise 5. What in mong need the he follo S ne-way standard deviations? e7A psychologist is studying various drugs on the speed of mental are divided equally into four drug condi- lems as he or she can in 10 minutes. The mean number of problems solved follows for the of the inc dc effects exploratory study, 32 selects s is metic. In an llustrat if he of arith subjects not all t tions, and each subject solves as many prob- each drug group, along with the standard deviations: А psy a chil defici Marijuana Amphetamine Valium X 7 Alcohol 5 pare 3.25 3.95 4 syc of 1 six y 3.16 2.07 a. Calculate the F ratio. b. Find the critical F (a = .05). C. What can you conclude with respect to the null hypothesis? opti rese late 8. If the study in Exercise 7 were repeated with you a total of 64 subjects: a. What would be the new value for calcu- lated F? b.

Question

7 part a, b, and c

JUst as
that you
Back
22.4
24.0
at is the
Calculate the F ratio and compare it to the
is the effect on the F ratio of doubling the
27.0
Fratio you calculated for Exercise 5. What
in
mong
need
the
he follo
S
ne-way
standard deviations?
e7A psychologist is studying
various drugs on the speed of mental
are divided equally into four drug condi-
lems as he or she can in 10 minutes. The
mean number of problems solved follows for
the
of the inc
dc
effects
exploratory study, 32
selects s
is
metic. In an
llustrat
if
he
of
arith
subjects
not all t
tions, and each subject solves
as many prob-
each drug group,
along with the standard
deviations:
А psy
a chil
defici
Marijuana Amphetamine
Valium
X
7
Alcohol
5
pare
3.25
3.95
4
syc
of 1
six y
3.16
2.07
a. Calculate the F ratio.
b. Find the critical F (a = .05).
C. What can you conclude with respect to the
null hypothesis?
opti
rese
late
8. If the study in Exercise 7 were repeated with
you
a total of 64 subjects:
a. What would be the new value for calcu-
lated F?
b.

Image Transcription

JUst as that you Back 22.4 24.0 at is the Calculate the F ratio and compare it to the is the effect on the F ratio of doubling the 27.0 Fratio you calculated for Exercise 5. What in mong need the he follo S ne-way standard deviations? e7A psychologist is studying various drugs on the speed of mental are divided equally into four drug condi- lems as he or she can in 10 minutes. The mean number of problems solved follows for the of the inc dc effects exploratory study, 32 selects s is metic. In an llustrat if he of arith subjects not all t tions, and each subject solves as many prob- each drug group, along with the standard deviations: А psy a chil defici Marijuana Amphetamine Valium X 7 Alcohol 5 pare 3.25 3.95 4 syc of 1 six y 3.16 2.07 a. Calculate the F ratio. b. Find the critical F (a = .05). C. What can you conclude with respect to the null hypothesis? opti rese late 8. If the study in Exercise 7 were repeated with you a total of 64 subjects: a. What would be the new value for calcu- lated F? b.

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