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 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

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...

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

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:...

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.

A test is made of Ho: μ =5 ersus H1: < 5.. A sample
of size n = 87 is drawn, and. sample X = 4.5. The population
standard deviation is =25.
a. compute the value of the test statistic z.
b. Is Ho rejected at the a = 0.05 level ?
c. Is Ho rejected at the a = 0.01 level ?
please explain answer

Note: I've reordered which proportion is
considered p¯p¯ 1 and which
is p¯p¯ 2 so we get a positive difference
between the proportions.
Consider the following competing hypotheses and accompanying
sample data. Note I've rewritten the question so you have a
positive difference. Use Table 1.
H0: p1 −
p2 < 0
HA: p1 −
p2 > 0
x1 = 275
x2 = 250
n1 = 400
n2 = 400
a.
At the 5% significance level, find the critical value(s).
Remember, we...

Conduct the following test at the ?=0.05 level of significance
by determining (a) the null and the alternative hypothesis, (b) the
test statistic, and (c) the critical value. Assuming that the
samples were obtained independently using simple random
sampling.
Test whether p1?p2. Sample data are x1=28?, n1=255?,
x2=36 and n2=302.
(a) Determine the null and alternative hypothesis. Choose the
correct answer below.
( ) Ho:p1=p2 versus H1:p1?p2
( ) Ho:p1=p2 versus H1:p1>p2
( ) Ho:p1=p2 versus H1:p1
(b)...

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