Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. In a recent clinical study, 82 patients withType 2 diabetes underwent this procedure, and 65 of them experienced a recovery from diabetes. Does this study provide evidence that more than 70% of those withdiabetes who undergo this surgery will recover from diabetes? Use 0.05 as the level of significance.(a) State the null (Ho) and alternate (Ha) hypotheses.НоHa:and a standard error of(b) !f the null hypothesis is true, the sample proportion, p hat, has approxmately a Normal distribution with a mean of(c) Give the standard score (z) for the data.(d) Find the P-value for this significance test. (c) Give the standard score (z) for the data.(d) Find the P-value for this significance test.(e) Choose the correct decision for this test of significance.A) Do not reject the null hypothesisB) Reject the null hypothesisSelection:(f) Choose the correct final conclusion in the context of the problem:A) There is enough evidence to suggest that more than 70% of those with diabetes who undergo vertical banded gastroplasty will recover from diabetes.B) There is not enough evidence to suggest that more than 70% of those with diabetes who undergo vertical banded gastroplasty will recover from diabetes.Selection:

Name: Vertical banded gastroplasty is a surgical procedure that reduces the
Uploaded: 2024-03-20T07:07:00.000Z
Channel: Bartleby
Description: Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. In a recent clinical study, 82 patients withType 2 diabetes underwent this procedure, and 65 of them experienced a recovery

p = 0.70, n = 82, x = 65 ,α = 0.05

Math

Statistics

Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. In a recent clinical study, 82 patients with Type 2 diabetes underwent this procedure, and 65 of them experienced a recovery from diabetes. Does this study provide evidence that more than 70% of those with diabetes who undergo this surgery will recover from diabetes? Use 0.05 as the level of significance.

Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. In a recent clinical study, 82 patients with Type 2 diabetes underwent this procedure, and 65 of them experienced a recovery from diabetes. Does this study provide evidence that more than 70% of those with diabetes who undergo this surgery will recover from diabetes? Use 0.05 as the level of significance.

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: A research report from an independent-measures study states that there are significant differences…

A: a)From the given information, the degrees of freedom treatment is 3.

Q: According to CDC, among men aged 20-39 obesity is 40.5%--? = 0.405. You take repeated samples of…

A: Given The data is as follows: n=650

Q: can ridge regression be applied if sample size is smaller than the number of predictors?

A: It is not unusual to see the number of input variables (predictors) greatly exceed the number of…

Q: What is the simplest way to compute an effect size?

A: For the calculation of effect size : 1: Population standard deviation should be known 2: Population…

Q: Estimate the chance that the sample proportion was more than 45% using a normal approximation.

A: Given information: Given that , 40 % of the primary doctors have made claim that their patients…

Q: The margin of error in a research study is indicative of the precision and accuracy of the research…

A: Margin of error is a measure of the extent to which the sample may vary from population. It is a…

Q: Some studies have noticed a positive correlation between the number of procedures performed (volume)…

A: We have to answer of the given question, either true or false.

Q: A professor of mathematics teaches at a catholic school and at a public school. He wants to know…

A: In regression analysis the t test for model coefficients ais used to test the null hypothesis, H0:…

Q: Do you have enough good cholesterol?” High density lipoprotein (HDL) is sometimes called the “good…

Q: What is LSD (least significant difference) test?

Q: Researchers examined the influence of a television program on children's aggressiveness. The number…

A: Since we only answer up to 3 sub-parts, I'll answer the 1st 3 sub-parts. Please resubmit the…

Q: The Congressional Budget Office reports that 36% of federal civilian employees have a bachelor's…

A: Note:Thank you for posting the question! Since your question has more than 3 parts, we have solved…

Q: Did the authors note any differences in gender with regard to fish consumption and inflammatory…

A: HI, as per our policy, we'll answer the first three subparts for you. Given:

Q: Dr. Palmer found a small treatment effect. What can she do in improve her changes of finding a…

A: To improve her chances of finding a statistically significant result, Dr. Palmer has to follow some…

Q: A research report from an independent-measures study states that there are significant differences…

A: Given information- We have given a report from an independent- measures study. F(3, 48) = 2.95, p…

Q: Use the following visualization to answer questions 5 - 6. We are going to focus on 3 explanatory…

A: The explanatory variables and their possible values for predicting the response variable, which is…

Q: Life on other Planets Forty-two percent of people believe that there is life on other planets in the…

Q: ees of f

A: The process of finding the difference in multiple group means and data of homogeneity is ANOVA. The…

Q: In a study of 420.055 cell phone users, 138 subjects developed cancer of the brain or nervous…

Q: he effect of the effect size on Type II errors.

A: Type II error is defined as the probability of accepting the null hypothesis when it is actually…

Q: (a) Draw a scatter diagram treating MRI count as the explanatory variable and IQ as the response…

A: Here Dependent variable (y) = Mental capacityIndependent variable (x) = MRISample size (n) = 10

Q: A new treatment for a certain disease is claimed to be effective in at least 80 % of cases. What is…

A: We have given that, A new treatment for a certain disease is claimed to be effective in at least 80…

Q: According to the Energy Information Administration (official energy statistics from the U.S.…

A: Mean()=3.16standard deviation()=0.90sample size(n)=30significance level()=0.01

Q: Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order…

A: Here 1- proportion Z - test is used.

Q: The p-value to test if Education is a significant predictor (previous question) is approximately 0…

A: From the given information, the p-value to test if Education is a significant predicator is about 0.

Q: The U.S. Department of Energy reported that 51.7% of homes were heated by natural gas. A random…

A: Given X=115 n=221

Q: Define concept of IV Regression with Heterogeneous Causal Effects?

A: The simple IV regression model is easily extended to a multiple regression model which is called the…

Concept explainers

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.

Topic Video

Question

Vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. In a recent clinical study, 82 patients with
Type 2 diabetes underwent this procedure, and 65 of them experienced a recovery from diabetes. Does this study provide evidence that more than 70% of those with
diabetes who undergo this surgery will recover from diabetes? Use 0.05 as the level of significance.
(a) State the null (Ho) and alternate (Ha) hypotheses.
Но
Ha:
and a standard error of
(b) !f the null hypothesis is true, the sample proportion, p hat, has approxmately a Normal distribution with a mean of
(c) Give the standard score (z) for the data.
(d) Find the P-value for this significance test.

(c) Give the standard score (z) for the data.
(d) Find the P-value for this significance test.
(e) Choose the correct decision for this test of significance.
A) Do not reject the null hypothesis
B) Reject the null hypothesis
Selection:
(f) Choose the correct final conclusion in the context of the problem:
A) There is enough evidence to suggest that more than 70% of those with diabetes who undergo vertical banded gastroplasty will recover from diabetes.
B) There is not enough evidence to suggest that more than 70% of those with diabetes who undergo vertical banded gastroplasty will recover from diabetes.
Selection:

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

Given data:

Sol(a)

Sol(b)

Sol(c)

Sol(d)

Sol(e)

Sol(f)

Trending now

This is a popular solution!

Step by step

Solved in 7 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Hypothesis Tests and Confidence Intervals for Proportions$

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.

Similar questions

In an estimated model, if the Announced Sum of Squares (AKT) and Residual Sum of Squares (SSC) are 70 and 140, respectively, what is the “significance coefficient” of the model as a percentage?
Over the past several years, the proportion of one-person households has been increasing. The Census Bureau would like to test the hypothesis that the proportion of one-person exceeds 0.27. A random sample of 125 households found that 43 consisted of one person. The census bureau would like to set a = 0.05. Use the p-value approach to test this hypothesis. Explain.
What is the difference between processes that are in statistical control vs. those that are 99.9% within specifications?
A community has 60,000 inhabitants, 35,000 of which are female. Of the female population, 525 have been diagnosed with osteoporosis. What is the prevalence rate per 1,00p?
Fill in the missing entries in the ANOVA table.e) What proportion of the total variability of the stopping distance isexplained by the regression model?
A company that has a 10% market share (they sell their product to 10% of all potential buyers) launches a marketing campaign. At the end of the campaign period, the company conducts a survey in order to assess whether its market share has increased. The result of the survey issued to 500 customers was 12.5%.h0= p=0.10, h1= p>0.10test statistic= 1.86P value= 0.0314 a. State your conclusion using ΅ = 0.05.b. What would be the potential Type I and Type II errors in this problem? Explain these possible errors in context.
30.5% of cases fall below what z- score?
Which best illustrates the distinction between statistical significance and practical importance? Multiple Choice "This year, 360 of 440 statistics students at Oxnard Technical College rented their textbooks, compared with 110 of 330 students last year. This is a significant increase." "Our new manufacturing technique has increased the life of the 80 GB USB AsimoDrive external hard disk significantly, from 240,000 hours to 250,000 hours." "In 50,000 births, the new vaccine reduced the incidence of infant mortality in Morrovia significantly from 14.2 deaths per 1000 births to 10.3 deaths per 1000 births." "The new Sky Penetrator IV business jet’s cruising range has increased significantly from 3,975 miles to 4,000 miles."
Pap smears are a diagnostic test used to detect cervical cancer. Although the test has high specificity, it also has low sensitivity. As a result, women have to be screened often. Using the definitions of sensitivity and specificity, explain why increased frequency of screening is needed when sensitivity is low and specificity is high.
What does it mean to be statistically literate?