Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Hypothesis testing for one sample t-test.

An auditor reviewed 25 oral surgery insurance claims from a particular surgical office, determining that the mean out-of-pocket patient billing above the reimbursed amount was $275.66 with the standard deviation of $78.11.

(a) At the 5 percent level of significance, does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket? Condition your hypotheses and decision rule.

 (b) Is this a close decision?

 

Hypotheses:

H0: _ = 250 vs. _ > 250

Level of Significance:

5%

Decision Rule

Reject the null hypothesis if p-value < 0.05

Calculation:

Hypothesis Test: Mean vs. Hypothesized Value

Hypothesized value

250.0000

Mean Sample

275.6600

std. dev.

78.1100

std. error

15.6220

n

25

df

24

t

1.64

p-value (one-tailed, upper) 

.0568

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918201

Have any Question? 


Related Questions in Statistics and Probability

1 when would you calculate a multiple correlation

1. When would you calculate a multiple correlation coefficient? What do you learn if you square a multiple correlation? 2. How does a cross-lagged panel correlation design provide evidence to support a causal link betwee ...

The wall street journal ceo compensation study analyzed ceo

The Wall Street Journal CEO Compensation Study analyzed CEO pay from many U.S. companies with fiscal year 2008 revenue of at least $5 billion that filed their proxy statements between October 2008 and March 2009. The dat ...

1 describe a 2 x 2 x 3 factorial design how many

1. Describe a 2 x 2 x 3 factorial design. How many independent variables are involved, and how many levels are there of each variable? How many experimental conditions are in a 2 x 2 x 3 factorial design? 2. Distinguish ...

Grear tire company has produced a new tire with an

Grear Tire Company has produced a new tire with an estimated mean lifetime mileage of 36,500 miles. Management also believes that the standard deviation is 5000 miles and that tire mileage is normally distributed. To pro ...

In a normal distribution what percentage of scores fall

In a normal distribution, what percentage of scores fall between -1 and +1 standard deviations from the mean? Between the mean and -2 standard deviations ? Between the mean and +3 standard deviations?

Microcomputer components a staff analyst for a manufacturer

Microcomputer components. A staff analyst for a manufacturer of microcomputer components has compiled monthly data for the past 16 months on the value of industry production of processing units that use these components ...

A buyer suspects that the factorys claimed life of mean is

A buyer suspects that the factory's claimed life of mean is 3000 hours for these light balls are too high. To check the claim, the factory tests 50 of these light balls and gets a mean lifetime of sample mean = 2988 hour ...

Describe secretary of state john quincy adamss address to

Describe Secretary of State John Quincy Adams's Address to Congress, July 4, 1821. As a statement of American Foreign Policy, what does it assert? Do you think it accurately reflects American Foreign Policy up to that ti ...

Just want to have a simple answer for this question how did

Just want to have a simple answer for this question: How did the Cold War shape decolonization?

1 why do researchers want the error variance in their data

1. Why do researchers want the error variance in their data to be small? 2. Why do researchers use meta-analysis?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen