Question
In: Statistics and Probability
To test Upper H 0H0: muμequals=100 versus Upper H 1H1: muμnot equals≠100, a simple random sample...
To test Upper H 0H0: muμequals=100 versus Upper H 1H1:
muμnot equals≠100, a simple random sample size of nequals=1616 is
obtained from a population that is known to be normally
distributed. Answer parts (a)-(d).
LOADING... Click here to view the t-Distribution Area in
Right Tail.
(a) If x overbarxequals=105.8105.8 and sequals=9.39.3,
compute the test statistic.
tequals= nothing (Round to three decimal places as
needed.)
Solutions
orchestra answered 2 years agoRelated Solutions
In a test of Upper H 0H0: muμequals=100 against Upper H Subscript aHa: muμnot equals≠100, the...
In a test of
Upper H 0H0:
muμequals=100
against
Upper H Subscript aHa:
muμnot equals≠100,
the sample data yielded the test statistic
z equals 1.87z=1.87.
Find the
Upper PP-value
for the test.
P equals=???
(Round to four decimal places as needed.)
To test Upper H 0: muequals100 versus Upper H 1: munot equals100, a simple random sample...
To test Upper H 0: muequals100 versus Upper H 1: munot
equals100, a simple random sample size of nequals16 is obtained
from a population that is known to be normally distributed. Answer
parts (a)-(d). LOADING... Click here to view the t-Distribution
Area in Right Tail. (a) If x overbarequals105.1 and sequals8.8,
compute the test statistic. tequals nothing (Round to three
decimal places as needed.) (b) If the researcher decides to test
this hypothesis at the alphaequals0.01 level of significance,
determine...
To test Upper H 0: pequals0.60 versus Upper H 1: pless than0.60, a simple random sample...
To test Upper H 0: pequals0.60 versus Upper H 1: pless
than0.60, a simple random sample of nequals450 individuals is
obtained and xequals252 successes are observed. (a) What does it
mean to make a Type II error for this test? (b) If the researcher
decides to test this hypothesis at the alphaequals0.05 level of
significance, compute the probability of making a Type II error,
beta, if the true population proportion is 0.56. What is the power
of the test? (c)...
To test Upper H 0 : sigma equals 2.4 versus Upper H 1 : sigma greater...
To test Upper H 0 : sigma equals 2.4 versus Upper H 1 : sigma
greater than 2.4, a random sample of size n equals 17 is obtained
from a population that is known to be normally distributed.
Complete parts (a) through (d). (a) If the sample standard
deviation is determined to be s equals 2.3, compute the test
statistic. chi Subscript 0 Superscript 2equals nothing (Round to
three decimal places as needed.) (b) If the researcher decides to
test...
Consider the hypotheses below. Upper H 0H0: mu greater than or equals 55μ≥55 Upper H 1H1:...
Consider the hypotheses below.
Upper H 0H0: mu greater than or equals 55μ≥55
Upper H 1H1: mu less than 55μ<55
Given that
x overbar equals 51.6
s equals 10.6
n equals=15
and
alpha (α) equals=0.01
Determine the p-value
& can someone please show me how to find the p-value?!
To test Upper H 0: mu equals 50 versus Upper H 1: mu less than 50,...
To test Upper H 0: mu equals 50 versus Upper H 1: mu less than
50, a random sample of size n equals 22 is obtained from a
population that is known to be normally distributed. Complete
parts (a) through (d) below. LOADING... Click here to view the
t-Distribution Area in Right Tail. (a) If x over bar equals 47.1
and s equals 12.9, compute the test statistic. t 0 equals nothing
(Round to three decimal places as needed.)
Test the hypothesis using the P-value approach. Upper H 0 : p equals 0.50 versus Upper...
Test the hypothesis using the P-value approach.
Upper H 0 : p equals 0.50 versus Upper H 1 : p less than 0.50
n equals 150 comma x equals 66 comma alpha equals 0.10
Perform the test using the P-value approach.
P-valueequals
nothing (Round to four decimal places as needed.)
To test Upper H 0 : mu equals60 versus Upper H 1 : mu less than60,...
To test Upper H 0 : mu equals60 versus Upper H 1 : mu less
than60, a random sample of size nequals 25 is obtained from a
population that is known to be normally distributed. Complete
parts (a) through (d) below.
(a) If x overbar =57.7and s=14.6, compute the test
statistic. (Round to three decimal places as needed.)
(b) If the researcher decides to test this hypothesis at the a=
0.1 level of significance, determine the critical value(s).
Although technology or...
To test Upper H 0 : mu equals20 versus Upper H 1 : mu less than20,...
To test Upper H 0 : mu equals20 versus Upper H 1 : mu less
than20, a simple random sample of size nequals 19 is obtained from
a population that is known to be normally distributed. Answer
parts (a)-(d).
(a) If x overbar = 18 and s= 4.2 , compute the test statistic.
(Round to two decimal places as needed.)
(b) Draw a t-distribution with the area that represents the
P-value shaded. Which of the following graphs shows the correct...
To test Ho: ? = 400 versus H1: ? > 400, a simple random sample of...
To test Ho: ? = 400 versus H1: ? > 400, a simple random
sample of n = 100 is obtained. Assume the population standard
deviation is 80. If the researcher decides to test this hypothesis
at the ?? = .05 level of significance, compute the probability of
making a Type II Error if the true population mean is 420. What is
the power of the test?
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