A weight loss program claims that program participants have a mean weight loss of at least 10 pounds after 1 month. You work for a medical association and are asked to test this claim. A random sample of 30 program participants and their weight losses (in pounds) after 1 month is listed in the table below. Assume the population standard deviation is 3. At a = 0.06, do you have enough evidence to reject the program's claim? Complete parts (a) through (e). 5.2 6.1 6.3 6.4 7.4 7.4 7.6 8.2 8.4 8.8 8.9 9.4 9.5 9.6 9.8 10.2 10.3 10.5 10.6 10.9 11.2 11.3 11.5 11.5 12.1 12.7 12.7 13.1 15 Identify the rejection region(s). Choose the correct answer below. O A. В. OC. Fail to reject Ho- Fail to reject Ho- Fail to reject H• Reject Ho. Reject Ho- Reject Ho. Reject Ho. -4 0. -4 (c) Find the standardized test statistic. (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. O A. Since z is in the rejection region, reject the null hypothesis. B. Since z is not in the rejection region, reject the null hypothesis.

A weight loss program claims that program participants have a mean weight loss of at least 10 pounds after 1 month. You work for a medical association and are asked to test this claim. A random sample of 30 program participants and their weight losses (in pounds) after 1 month is listed in the table below. Assume the population standard deviation is 3. At a = 0.06, do you have enough evidence to reject the program's claim? Complete parts (a) through (e). 5.2 6.1 6.3 6.4 7.4 7.4 7.6 8.2 8.4 8.8 8.9 9.4 9.5 9.6 9.8 10.2 10.3 10.5 10.6 10.9 11.2 11.3 11.5 11.5 12.1 12.7 12.7 13.1 15 Identify the rejection region(s). Choose the correct answer below. O A. В. OC. Fail to reject Ho- Fail to reject Ho- Fail to reject H• Reject Ho. Reject Ho- Reject Ho. Reject Ho. -4 0. -4 (c) Find the standardized test statistic. (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. O A. Since z is in the rejection region, reject the null hypothesis. B. Since z is not in the rejection region, reject the null hypothesis.

Name: A weight loss program claims that program participants have a mean we
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: A weight loss program claims that program participants have a mean weight loss of at least 10 pounds after 1 month. You work for amedical association and are asked to test this claim. A random sample of 30 program participants and their weight losse

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.6 minutes.…

Q: A weight loss program claims that program participants have a mean weight loss of at least 11 pounds…

A: The question is about hypothesis testing.A weight loss program claims that the participants have a…

Q: You are testing the claim that the mean GPA of night students is different from the mean GPA of day…

A: Given Information: Let 1 be the subscript of night students and 2 be the subscript of day students…

Q: Scores on the GRE (Graduate Record Examination) are normally distributed with a mean of 530 and a…

A: The objective of the question is to find the percentage of people taking the GRE who score within…

Q: Use the Empirical Rule to determine your answer. A small computing center has found that the number…

Q: The test score (X) of the training participants has a normal distribution with an average value of…

Q: An oceanographer claims that the mean dive duration of a North Atlantic right whale is 11.3 minutes.…

A: a) Denote μ as the mean dive duration of North Atlantic right whale.

Q: The lifetime of a 2-volt non-rechargeable battery in constant use has a Normal distribution, with a…

A: Given: μ=516σ=20 The proportion of batteries with lifetimes exceeding 520 hours is obtained as…

Q: 11.6 11.9 12.1 12.8 13.2 15.9 Tdentiry the rejecion region(s). Choose the correct answer Deiow. O A.…

A: The one-sample z-test is used to test whether the mean of a population is greater than, less than,…

Q: Show all your work. Indicate clearly the methods you use, because you will be scored on the…

A: a) Since the population standard deviation is unknown, t distribution can be used for the…

Q: You are testing the claim that the mean GPA of night students is different from the mean GPA of day…

Q: You are the manager of a local bakery, and are looking to investigate if you should add a new pie to…

Q: he average amount of time in individual stopped by the police officers by the time they are 30 years…

A: The summary of the statistics is, x¯=6σ=1.2μ=5n=25 Assume the level of significance is, α=0.05

Q: A consumer group claims that the mean minimum time it takes for a sedan to travel a quarter mile is…

A: Solution

Q: 14. Calculate SS, variance, and standard deviation for the following population of N = 7 scores: 8,…

A: Given number of observations N=7given data points are 8,1,4,3,5,3,4.

Q: You are testing the claim that the mean GPA of night students is different from the mean GPA of day…

A: given data GPA night x¯1 = 2.63s1 = 0.81n1 = 45GPA of day x¯2 = 3.02s2 = 0.59n2 = 40α = 0.05claim…

Q: Almost all medical schools in the United States require students to take the Medical College…

A: The given data is as follows:Population mean, Population standard deviation,

Q: A bottled water distributor wants to determine whether the mean amount of water contained in…

A: Given that:Hypothesized value of population mean is 1.Population standard deviation Sample size…

Q: a) The mean of the sample is 9.771 km/h, and the standard deviation is 0.944 km/h. Construct and…

A: (a) The mean of the sample is 9.771 km/h, and the standard deviation is 0.944 km/h. Construct and…

Q: Thanks to an initiative to recruit top students, an administrator at a college claims that this…

A: According to the given information in this question, there are more than three subparts according to…

Q: he personal trainer collected data from a randomly selected sample of days. From this he found that…

A: Glasses(x) Frequency (f) x f 1 2 2 2 4 8 3 5 15 4 9 36 5 x 5x 6 9 54 7 4 28 Total…

Q: In a 1992 article in the Journal of the American Medical Association, researchers reported that a…

Q: The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 257.3…

A: The mean is 257.3 and the standard deviation is 64.1.

Q: Almost all medical schools in the United States require students to take the Medical College…

A: From the provided information,

Q: e) Below is SPSS output for this study. Using the descriptive statistics, does it appear that…

A: Condition = ExperimentN Valid10Missing0Mean14.5Median14.5Mode14Std.…

Q: Salaries of workers in a factory are normally distributed with mean, $48,000 and standard deviation,…

A: Lat x be the salary of the worker in factory is normally distributed with mean and standard…

Q: How do I solve this problem? Companies who design furniture for elementary school classrooms produce…

A: (a)The fraction of kindergarten kids should the company expect to be less than 36 inches tall is…

Q: A credit card company claims that the mean credit card debt for individuals is greater than $5,200.…

A: The hypothesized (or claimed) average credit card debt (in $), μ0=5200. The sample size, i.e., the…

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

Q: 1. O Score paling 466/ Most score 466 2. O Score paling sedikit 316,5/ Score at least 316.5 3. O…

A: Given that. X~N( μ , ?^2 ) μ=200 , ?=50 Z-score =( x - μ )/?

Q: An article in the San Jose Mercury News stated that students in the California state university…

A: Given, Sample size (n) = 48 Sample mean (x̅) = 5.1 Sample standard deviation (s) = 1.2

Q: A bottled water distributor wants to determine whether the mean amount of water contained in…

Q: n testing these hypotheses, which of the following would be strong evidence against the null…

Q: The average person spends a mean amount of $10.20 on coffee per week. You are interested to test if…

A: Given that x̄ = 12.41 , μ = 10.20 , s = 5.25 , n= 31

Q: tuition for the current academic year is $60,000, but the university claims that the average grants…

A: Given data : sample size, n = 20 sample mean, x̄ = 25000.0 sample standard…

Q: Pumpkins from a local farmer have a mean weight of 16 pounds with a standard deviation of 2.5…

A: Given information: It is given that, Pumpkins from a local farmer have a mean weight of µ = 16…

Q: Use the empirical rule to solve the problem (also known as the 68%-95% -99.7% Rule). At one college,…

A: Given: X~μ,σX~3,0.6

Q: The mean for life expectancy is 47.6 for White people who were born in 1900 and 33.0 for non-white…

A: It is given that a hypothesis test is needed to see if the mean is the same for both countries for…

Q: What does a standard z-value mean? a. it expresses distance from the mean in units of the standard…

A: What does a standard z-value mean? a. it expresses distance from the mean in units of the standard…

Q: Calculate the sample size to study the average age of a Central State College student, plus or minus…

A: A confidence interval gives a range of values for a population parameter, such as a mean or…

Q: In a study on running and happinessS, runners indicated the number of miles they ran in a day and…

A: (a) Use EXCEL to determine the value r2 and r. EXCEL procedure: Go to EXCEL Go to…

Q: Fail to reiect H. There is sufficient evidence that the mean amount is different from 10

A: Given that Sample size n =45 Sample mean=0.995 Standard deviation =0.006

Q: Daily Driving The average number of miles a person drives per day is 24. A researcher wishes to see…

A: We have to find critical value...

Topic Video

Question

A weight loss program claims that program participants have a mean weight loss of at least 10 pounds after 1 month. You work for a
medical association and are asked to test this claim. A random sample of 30 program participants and their weight losses (in pounds) after
1 month is listed in the table below. Assume the population standard deviation is 3. At a = 0.06, do you have enough evidence to reject the
program's claim? Complete parts (a) through (e).
5.2 6.1
6.3
6.4
7.4
7.4
7.6
8.2
8.4
8.8
8.9
9.4
9.5
9.6
9.8
10.2
10.3
10.5
10.6
10.9
11.2
11.3
11.5
11.5
12.1
12.7
12.7
13.1
15
Identify the rejection region(s). Choose the correct answer below.
O A.
В.
OC.
Fail to reject Ho-
Fail to reject Ho-
Fail to reject H•
Reject Ho.
Reject Ho-
Reject Ho.
Reject Ho.
-4
0.
-4
(c) Find the standardized test statistic.
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
O A. Since z is in the rejection region, reject the null hypothesis.
B. Since z is not in the rejection region, reject the null hypothesis.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Hypothesis Tests and Confidence Intervals for Means$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc