Question
#37 In a matched-samples design, if n1 = 20 and n2 = 20, how many degrees...
#37 In a matched-samples design, if n1 = 20 and n2 = 20, how many degrees of freedom will the t-statistic have?
Homework Answers
Answer #1
TOPIC:Degrees of freedom,Matched-samples design.
Not the answer you're looking for?
Similar Questions
If we doing a paired-sample test with samples of n1 = 20 and n2 = 20,...
If we doing a
paired-sample test with samples of n1 = 20 and
n2 = 20, the number of degrees of freedom is
equal to
A.39
B.38
C.19
D.18
Use a t-distribution to answer this question. Assume the samples are random samples from distributions that...
Use a t-distribution to answer this question. Assume
the samples are random samples from distributions that are
reasonably normally distributed, and that a t-statistic
will be used for inference about the difference in sample means.
State the degrees of freedom used.
Find the endpoints of the t-distribution with 2.5% beyond
them in each tail if the samples have sizes n1=16 and n2=23.
Enter the exact answer for the degrees of freedom and round your
answer for the endpoints to two...
Design #1: Design a lowpass active ?lter with a dc gain of n1*n2 and a corner...
Design #1: Design a lowpass active ?lter with a dc gain of n1*n2
and a corner frequency of n2*300 Hz. n1 = 9, n2 = 7
? Validate your answer using MATLAB. Use Multisim for the
circuit design as well as frequency response analysis, and compare
the output (Bode plots) with the simulation that can be obtained
from MATLAB. In your design, please explicitly describe the
transfer function, the bode plot, and the value of passive
components obtained while designing...
Suppose n1 = 1.11, n2 = 1.3 and n3 = 1.35. What is θ3 in degrees...
Suppose n1 = 1.11, n2 = 1.3 and n3 = 1.35. What is θ3 in degrees
if the angle of incidence is 40.8?
Independent random samples of n1 = 900 and n2 = 900 observations were selected from binomial...
Independent random samples of
n1 = 900 and n2 = 900
observations were selected from binomial populations 1 and 2,
and
x1 = 120
and
x2 = 150
successes were observed.
(a)
What is the best point estimator for the difference
(p1 − p2)
in the two binomial proportions?
p̂1 − p̂2
n1 −
n2
p1 − p2
x1 − x2
(b)
Calculate the approximate standard error for the statistic used
in part (a). (Round your answer to three decimal...
Independent random samples of n1 = 600 and n2 = 440 observations were selected from binomial...
Independent random samples of
n1 = 600
and
n2 = 440
observations were selected from binomial populations 1 and 2,
and
x1 = 334
and
x2 = 378
successes were observed.
(a) Find a 90% confidence interval for the difference
(p1 − p2) in the two
population proportions. (Round your answers to three decimal
places.)
to
(b) What assumptions must you make for the confidence interval to
be valid? (Select all that apply.)
independent samples
random samples
nq̂ > 5...
Two independent random samples of sizes n1= 4 and n2=5 are selected from each of two...
Two independent random samples of sizes n1= 4 and n2=5 are
selected from each of two normal populations:
Population 1: 12 3 8 5
Population 2: 14 7 7 9 5
use a=0.5
What is the correct Test Statistic:
A. 5.2889
B. 2.795
C. 2.771
D. 2.575
Samples were drawn from three populations. The sample sizes were n1 = 6, n2 = 9,...
Samples were drawn from three populations. The sample sizes were
n1 = 6, n2 = 9, and n3 = 8. The sample means were =1.52, < x 2
>=1.62 , and < x 3 >=1.65. The sample standard deviations
were s1 = 0.50, s2 = 0.36, and s3 = 0.48. The grand mean is =
1.604348 . Compute the value of the test statistic F.
Suppose we have taken independent, random samples of sizes n1 = 7 and n2 = 7...
Suppose we have taken independent, random samples of sizes
n1 = 7 and n2 = 7 from two
normally distributed populations having means
µ1 and µ2, and suppose we
obtain x¯1 = 240 , x¯2 = 210 ,
s1 = 5, s2 = 6. Use
critical values to test the null hypothesis H0:
µ1 − µ2 < 20 versus the
alternative hypothesis Ha:
µ1 − µ2 > 20 by setting
α equal to .10, .05, .01 and .001. Using the...
Suppose we have taken independent, random samples of sizes n1 = 7 and n2 = 7...
Suppose we have taken independent, random samples of sizes
n1 = 7 and n2 = 7 from two
normally distributed populations having means
µ1 and µ2, and suppose we
obtain x⎯⎯1= 240x¯1 = 240 , x⎯⎯2=210x¯2 = 210 ,
s1 = 5, s2 = 6. Use
critical values to test the null hypothesis H0:
µ1− µ2 < 20 versus the
alternative hypothesis Ha:
µ1 − µ2 > 20 by setting
α equal to .10, .05, .01 and .001. Using the...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 3 minutes ago
asked 11 minutes ago
asked 16 minutes ago
asked 21 minutes ago
asked 41 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago