Question
In: Statistics and Probability
Consider the following data collected from four independent populations: Sample 1 Sample 2 Sample 3 Sample...
Consider the following data collected from four independent populations:
Sample 1 Sample 2 Sample 3 Sample 4
3 14 21 8
8 9 15 3
6 13 16 13
5 14
a. Calculate the total sum of squares (SST).
b. Partition the total sum of squares (SST) into its two components.
c. Using a= 0.001, what conclusions can be made about the population means?
Solutions
orchestra answered 2 years agoRelated Solutions
Consider the data in the table collected from three independent populations. Sample 1 Sample 2 Sample...
Consider the data in the table collected from three independent
populations.
Sample 1
Sample 2
Sample 3
4
3
4
a) Calculate the total sum of squares (SST) and partition the
SST into its two components, the sum of squares between (SSB) and
the sum of squares within (SSW).
2
2
2
9
1
1
5
b) Use these values to construct a one-way ANOVA table.
c) Using alphaαequals=0.05,
what conclusions can be made concerning the population
means?
Consider the data in the table collected from three independent populations. Sample 1 Sample 2 Sample...
Consider the data in the table collected from three independent
populations.
Sample 1
Sample 2
Sample 3
33
11
88
a) Calculate the total sum of squares (SST) and partition the
SST into its two components, the sum of squares between (SSB) and
the sum of squares within (SSW).
66
33
22
99
88
33
1111
b) Use these values to construct a one-way ANOVA table.
c) Using
alphaαequals=0.100.10,
what conclusions can be made concerning the population
means?
LOADING...
Click...
Consider the data in the table collected from four independent populations. The conclusion of a one-way...
Consider the data in the table collected from four
independent populations. The conclusion of a one-way ANOVA test
using
alphaαequals=0.05
is that the population means are not all the same. Determine which
means are different using
alphaαequals=0.05
Sample
1
Sample
2
Sample
3
Sample
4
6
13
23
9
7
16
13
8
8
19
19
10
9
22
Click here to view the ANOVA summary table.
LOADING...
Click here to view a table of critical values for the
studentized...
1. Consider the following results for independent samples taken from two populations. Sample 1 Sample 2...
1. Consider the following results for independent samples taken
from two populations.
Sample 1
Sample 2
n1 = 500
n2= 200
p1= 0.45
p2= 0.34
a. What is the point estimate of the difference
between the two population proportions (to 2 decimals)?
b. Develop a 90% confidence interval for the
difference between the two population proportions (to 4 decimals).
Use z-table.
to
c. Develop a 95% confidence interval for the
difference between the two population proportions (to 4 decimals).
Use...
Consider the following results for independent random samples taken from two populations. Sample 1 Sample 2...
Consider the following results for independent random samples
taken from two populations.
Sample 1
Sample 2
n1= 10
n2 = 40
x1= 22.3
x2= 20.3
s1= 2.5
s2 = 4.1
a. What is the point estimate of the difference
between the two population means (to 1 decimal)?
b. What is the degrees of freedom for
the t distribution (round
down)?
c. At 95% confidence, what is the margin of
error (to 1 decimal)?
d. What is the 95% confidence...
Consider the following results for independent samples taken from two populations. Sample 1 Sample 2 n1...
Consider the following results for independent samples taken
from two populations.
Sample 1
Sample 2
n1 = 400
n2= 300
p1= 0.49
p2= 0.38
Develop a 90% confidence interval for the difference between the
two population proportions (to 4 decimals). Use
z-table.
___ to ___
c. Develop a 95% confidence interval for the
difference between the two population proportions (to 4 decimals).
Use z-table.
___ to ___
Consider the following results for independent samples taken from two populations. Sample 1 Sample 2 n1...
Consider the following results for independent samples taken
from two populations.
Sample 1
Sample 2
n1 = 500
n2= 200
p1= 0.42
p2= 0.31
a. What is the point estimate of the difference
between the two population proportions (to 2 decimals)?
b. Develop a 90% confidence interval for the
difference between the two population proportions (to 4 decimals).
Use z-table.
to
c. Develop a 95% confidence interval for the
difference between the two population proportions (to 4 decimals).
Use z-table....
Consider the following results for independent samples taken from two populations. Sample 1 Sample 2 n1...
Consider the following results for independent samples taken
from two populations.
Sample 1 Sample 2
n1 = 500 n2= 300
p1= 0.49 p2= 0.34
a. What is the point estimate of the difference
between the two population proportions (to 2 decimals)?
b. Develop a 90% confidence interval for the
difference between the two population proportions (to 4
decimals).
to
c. Develop a 95% confidence interval for the
difference between the two population proportions (to 4
decimals).
Consider the following results for independent samples taken from two populations. Sample 1 Sample 2 n1...
Consider the following results for independent samples taken
from two populations.
Sample 1
Sample 2
n1 = 500
n2 = 200
p1 = 0.44
p2 = 0.31
a. What is the point estimate of the difference
between the two population proportions (to 2
decimals)?
b. Develop a 90% confidence interval for the
difference between the two population proportions (to 4
decimals).
to
c. Develop a 95% confidence interval for the
difference between the two population proportions (to 4
decimals).
to
Consider the following results for independent samples taken from two populations. Sample 1 Sample 2 n1...
Consider the following results for independent samples taken
from two populations.
Sample 1
Sample 2
n1 = 400
n2 = 300
p1 = 0.54
p2 = 0.38
(a) What is the point estimate of the difference between the two
population proportions?
(b) Develop a 90% confidence interval for the difference between
the two population proportions.
(c) Develop a 95% confidence interval for the difference between
the two population proportions.
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