Question

Find test statistic and P VALUE and make conclusion for PROPORTION: x=35, n=200, Ho: p=25%, H1: p<25%, confidence level=0.05

Find test statistic and P VALUE and make conclusion for MEAN: x̄=37, s=10.2, n=30, Ho: μ=32, H1: μ≠32, confidence level=0.01

Find test statistic AND P VALUE and make conclusion for TWO PROPORTIONS: x1 = 6, n1 = 315, x2 = 80, n2 = 320, Ho: p1 = p2, HA: p1 < p2, α = 0.1

Answer #1

Conduct a test at the alpha α equals = 0.01 level of
significance by determining (a) the null and alternative
hypotheses, (b) the test statistic, and (c) the P-value. Assume
the samples were obtained independently from a large population
using simple random sampling. Test whether p1>p2. The sample
data are x1=128, n1=245, x2=144, and n2=315.
(a) Choose the correct null and alternative
hypotheses below.
A.
H0: p1=p2 versus H1: p1<p2
B.
H0: p1=0 versus H1: p1≠0
C.
H0: p1=p2 versus...

Conduct the following test at the a=0.05 level of significance
by determining the test statistic and the P value. Test whether p1
is not equal to p2. Sample data are X1=28, n1=255, x2=36 and
n2=301

Conduct a test at the alpha α equals = 0.01 level of
significance by determining (a) the null and alternative
hypotheses, (b) the test statistic, and (c) the P-value. Assume
the samples were obtained independently from a large population
using simple random sampling. Test whether p1>p2. The sample
data are x1=128, n1=245, x2=144, and n2=315. (a) Choose the
correct null and alternative hypotheses below.
A.
H0: p1=p2 versus H1: p1p2
B.
H0: p1=0 versus H1: p1≠0
C.
H0: p1=p2 versus...

Find the appropriate p-value to test the null hypothesis, H0: p1
= p2, using a significance level of 0.05.
n1 = 100 n2=200
x1= 38 x2= 40
A) .1610
B) .7718
C) .0412
D) .2130

Consider the
hypothesis test below. ho: p1-p2 <=0
ha: p1-p2>0
The following results
are for independent samples taken from the two populations.
Sample 1
Sample 2
n1 200
n2 300
p-bar 0.24
p-bar 0.17
Use pooled estimator of.
a. What is the value of the test statistic (to 2
decimals)?
b. What is the -value (to 4 decimals)?
c. With , what is your hypothesis testing
conclusion?
- Select your answer -Conclude the difference between the
proportions is greater than...

Conduct a test at the α=0.05 level of significance by
determining (a) the null and alternative hypotheses, (b) the test
statistic, and (c) the P-value. Assume the samples were obtained
independently from a large population using simple random sampling.
Test whether p1>p2. The sample data are x1=125, n1=243,x2=139,
and n2=307.
(a) Choose the correct null and alternative hypotheses
below.
A. H0: p1=p2 versus H1: p1>p2
B. H0: p1=0 versus H1: p1≠0
C. H0: p1=p2 Versus H1: p1
D.H0: p1=p2 versus...

Identify the null hypothesis, alternative hypothesis,
test statistic, P-value, conclusion about the null hypothesis, and
final conclusion that addresses the original claim. Use the P-value
method.
A study was done on body temperatures of men and women. Here are
the sample statistics for the men: x1 = 97.55oF, s1 = 0.83oF, n1 =
11, and for the women: x2 = 97.31oF, s2 = 0.65oF, n2 = 59. Use a
0.06 significance level to test the claim that µ1 > µ2.

Conduct a test at the α=0.05 level of significance by
determining (a) the null and alternative hypotheses, (b) the test
statistic, and (c) the P-value. Assume the samples were obtained
independently from a large population using simple random sampling.
Test whether p 2p1>p2. The sample data are x1=118,
n1=254,x2=134, and n2=303. (a) Choose the correct null and
alternative hypotheses below.
A.
H0: p1=p2 Versus H1: p1
B.
H0: p1=p2 versus H1: p1≠p2
C.
H0: p1=0 versus H1: p1≠0
D.
H0:...

Find the appropriate P-value and test that the claim that
proportions are not equal using a significance level of 0.05.
n1=200 n2=100
x1 = 11 x2 = 8

In order to test HO: p = 0.59 versus H1: p
< 0.59, use n = 150 and x = 78 as your sample
proportion.
Using your TI 83/84 calculator device, find the P-value with the
appropriate Hypothesis Test
Use a critical level α = 0.05 and decide to Accept or Reject
HO with the valid reason for the decision.

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