Question

Suppose I had a family of 9 and I were to calculate how many times in a week do they have dessert right after dinner out of the 7 days that week. My numbers are 6,4,3,2,0,4,6,8,1. A= 3.77....

ho>3

hi<3

Include the null and alternative hypothesis, alpha value, p-value, and a conclusion. Make sure that you use appropriate terminology, specify whether you are using the classical method or the p-value method, and fully explain your solution.

Answer #1

Provided for you is the dataset of 25 Chiefs that were
questioned about how often per week they work out since COVID
began. Take a sample size of 10 and determine the hypothesis of the
mean. The expected mean is 3 times per week. My hypothesis is
greater than or equal to 3 times per week.
H0 : µ = 3.0
H1 : µ ≥ 3.0
n = 25
x = 10
Include the null and alternative hypothesis, alpha value,...

I believe that 67% of US households own a pet. A survey of 50
employees out of 120 employees of PRO Systems showed that 49 owned
a pet. Test this hypothesis at the .15 significance level. Assume a
random sample. Include the null and alternative hypothesis, alpha
value, p-value, and a conclusion. Make sure that you use
appropriate terminology, specify whether you are using the
classical method or the p-value method, and fully explain your
solution.

I believe the proportions of individuals who own an Nintendo
Switch is greater than those that own an Xbox One. A poll showed
that out of 6,000 people, 3,560 out of 6,000 individuals owned a
Nintendo Switch and 2,440 out of 6,000 individuals owned an Xbox
One.
Test this data at a 90% confidence interval.
Make sure that you use appropriate terminology and specify
whether you are using the classical method or the p-value
method.

Jane is interested in knowing if people spend more time per week
reading than watching television. She asked 10 people and is using
this data as a sample.
Her hypotheses are:
HO : µ1 ≥ µ2
HA : µ1 < µ2
µ1 is the average amount of time spent reading and µ2 is the
average amount of time spent watching television.
The sample statistics are:
Reading Watching TV
Sample Mean, x
4.8
5.5
Sample Standard Deviation,
s
5.47
2.41
Sample...

Multiple Choice Questions
Q1. In a hypothesis test, Beta is best described
by
P (Type I error)
P (Test Stat>|Observed Stat|)
Power
P (Type II error)
Q2. Which alternative hypothesis would I need
to double the p-value in a test for the mean?
No feasible answer
Lower tailed alternative
Two sided alternative
Upper tailed alternative
Suppose our p-value is .184. What will our conclusion be
at alpha levels of .10, .05, and .01?
We will reject Ho at alpha=.10 or...

I asked ten random adults that lived in St. Pete, FL how many
times a week they have an alcoholic beverage. Here is what I got
2,6,2,3,1,0,1,2,1,and 1. Then I asked 10 other random adults that
live in Tampa, Fl, and here are the results 3,1,1,5,2,1,2,1,1, and
3. with a significance level of 0.05.
I need to know the
Ho:p1-P2
Ha: p1-p2
Sample Diff.
Std. Err
Z-stat
P-value
please help

Survey 40 people and ask them this question: “How many days a
week do you typically exercise?” You calculated your average for
the results, and standard deviation and standard error. The
following are your results:
Average: 4.8625
Standard Deviation: 1.1602
Standard Error: 0.1834
You then ask a friend what they think the average value is for a
person who typically exercises during the week. Your friend claims
the average to be 4.
1. What are the appropriate null and alternative...

In a report from the NIH, in 2012, 24.3 % of Americans met the
exercise Standards set by a department. The guidelines specify that
these people need at least 150 minutes aerobic activity a week,
with at least 2 days of weight activities each week. You
hypothesize that this statistic is different for your college
basketball team who must attend team practices 3 times a week (20
minutes of aerobic workout is done each practice) and must go to
the...

B. Suppose a
recent random sample of employees nationwide who have a
401(k)-retirement plan found that 18% of them had borrowed against
it in the last year. A random sample of 100 employees from a local
company who have a 401(k)-retirement plan found that 14 had
borrowed from their plan. Based on the sample results, is it
possible to conclude, at the α = 0.025 level of significance, that
the local company had a lower proportion of borrowers from its
401(k)-retirement...

3. The average pulse rate is known to be 80 beats per minutes.
Suppose we take a sample of 30 adults and find that the average
heart rate in the sample is 73.76 with a sample standard deviation
of 7.06. We are interested in testing if the average pulse rate is
actually lower than 80 beats per minute. ( please show all steps
and how you got each number)
a. Using the sample of 30 adults, what would the 95%...

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