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In: Statistics and Probability
Hypothesis Testing – Indicate five steps ion your answers (Null/alternate hypotheses, test-statistic, rejection area, decision for...
Hypothesis Testing – Indicate five steps ion your answers (Null/alternate hypotheses, test-statistic, rejection area, decision for rejection, conclusion)
Companies in the beverage industry are in a keen competition to deliver more cans of beverages to retailers as fast as they can. What mostly determines how fast they are to deliver cans of beverage is the packing speed. The current amount the company named Orange Crusher delivers is 64.1 ounces. Quality inspector from this company is taking five packing machines and measuring the content of each machine. He ends up having a sample mean of 63.9 ounces and sample standard deviation of 0.10. Test if the data provide sufficient evidence, at the 5% of level of significance, to conclude that the mean of all packing machines at the current setting is less than 64.1 ounces.
Solutions
orchestra answered 2 years agoRelated Solutions
Hypothesis Testing – Indicate five steps in your answers (Null/alternate hypotheses, test-statistic, rejection area, decision for...
Hypothesis Testing – Indicate five steps in your answers
(Null/alternate hypotheses, test-statistic, rejection area,
decision for rejection, conclusion)
Randy is a famous pitcher in Long Island High School. His
average throwing distance is 35 yards. However, his coach was
analyzing Randy’s throwing angle and figuring how he had a bad
habit to unconsciously lift his arm earlier than he was supposed to
do. Coach trained Randy for his new strategy and measured his
throwing distance that turned out to be...
Hypothesis Testing – Indicate five steps in your answers (Null/alternate hypotheses, test-statistic, rejection area, decision for...
Hypothesis Testing – Indicate five steps in your answers
(Null/alternate hypotheses, test-statistic, rejection area,
decision for rejection, conclusion)
There are many grocery stores in New Jersey. The average number
of customers checking out in each cashier register per ten minutes
in all the grocery stores in New Jersey was 3.14 a year ago. Now, a
marketer wishes to see if this number of customer is different now
at the 5% of significance level. He visited 75 grocery stores and
found...
TEST THE APPROPRIATE HYPOTHESIS. Include the null and alternate hypotheses, degrees of freedom, test statistic, rejection...
TEST THE APPROPRIATE HYPOTHESIS. Include the null and alternate
hypotheses, degrees of freedom, test statistic, rejection region,
and decision.
You roll a die 48 times. the results as followed
Number 1 2 3 4 5 6
Frequency 4 13 2 14 13 2
Use a significance level of 0.05 to test the claim that the die
is fair
For each question, write out the null and alternate hypotheses numerically. Give the test statistic and...
For each question, write out the null and alternate hypotheses
numerically. Give the test statistic and p-value. Write out the
equation of the test statistic but you do not have to evaluate it
by hand. Then conclude with whether you reject or fail to reject
the null hypothesis.
Chapter 9
(Question 98.) Toastmasters International
cites a report by Gallop Poll that 40% of Americans fear public
speaking. A student believes that less than 40% of students at her
school fear...
For each hypothesis test, you must state (a) hypotheses, (b) test statistic, p-value, (c) rejection rule,...
For each hypothesis test, you must state (a)
hypotheses, (b) test statistic, p-value, (c) rejection rule, and
(d) both parts of the conclusion. It is only necessary to
calculate the effect size if the problem calls for it. Use a .05
level of significance for all hypothesis tests. Use StatCrunch to
complete all hypothesis tests and confidence intervals. Make sure
you copy and paste the relevant output for the solutions.
Honor code expectations: you are not allowed any collaboration
or...
What are the typical null and alternate hypotheses for a significance test on slope?
What are the typical null and alternate hypotheses for a
significance test on slope?
1. For the standardized test statistic approach to hypothesis testing, calculate the test statistic for testing...
1. For the standardized test statistic approach to hypothesis
testing, calculate the test statistic for testing the null
hypothesis that the population mean is less than or equal to
9.29, given a sample mean of
13.90, a sample size of 35, and a
population standard deviation of 3.92.
Round to two decimals.
2. Using the traditional hypothesis testing approach, calculate
the critical value for testing the null hypothesis that the
population mean is greater than or equal to 13,
given...
The decision rule (aka, the rejection region) for testing the following pair of hypotheses at the...
The decision rule (aka, the rejection region) for testing the
following pair of hypotheses at the .01 level of significance when
a sample size of 45 is taken.
H0: p = .45
Ha: p ≠ .45
P (p̂ < 0.35) where p̂ is approximately normally distributed
with p = .33 and n = 100.
c. Determine the p-value for testing:
H0: µ = 43
Ha: µ ≠ 43
when a random sample of size 30 was
taken from a normal...
The decision rule (aka, the rejection region) for testing the following pair of hypotheses at the...
The decision rule (aka, the rejection region) for testing the
following pair of hypotheses at the .01 level of significance when
a sample size of 45 is taken.
H0: p = .45
Ha: p ≠ .45
P (p̂ < 0.35) where p̂ is approximately normally distributed
with p = .33 and n = 100.
Determine the p-value for testing:
H0: µ = 43
Ha: µ ≠ 43
when a random sample of size 30 was
taken from a normal population...
Make sure you state your hypotheses and rejection rule. Calculate your test statistic and decide whether...
Make sure you state your hypotheses and rejection rule.
Calculate your test statistic and decide whether to reject the null
hypothesis or not and then explain what that conclusion means. You
will need to use formulas with proper notation and draw diagrams
for each of these problems.
2. From a population of coffee cans marked "12 ounces," a sample
of 25 cans is selected and the contents of each can is weighed. The
sample revealed a mean of 11.8 ounces...
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