Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1.  A cell phone service provider has the 14,000 customers.  Recently, the sales department chosen a random sample of 400 customer accounts and recorded number of minutes of long distance time employed during the previous billing period. The company analyst employed Excel to sort these values in order from high to low. She then assigned the highest value rank of 1, the next highest value rank of 2, and so forth.  These ranks would be considered to be ordinal data. 

2.  Recently, major tire manufacturer stated in their advertising that their tires with the new tire tread design will last more than 50,000 miles on average. A consumer agency gathered a subset of these tires and tested them in very controlled conditions. Based upon this test, the agency concluded that the manufacturer was justified in making this claim. The procedure described is the ex of: 

a. descriptive statistics.

b. hypothesis testing.

c. statistical inference.

d. Both b and c are correct.

3. Open the data file on your excel file  AirlinePassengers.  Point out the level of data (nominal, ordinal, ratio, or interval)  measurement for each variable in data set. Notice the tab for description offeres information about data.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921773

Have any Question? 


Related Questions in Statistics and Probability

1 what are some ways in which scientists get ideas for

1. What are some ways in which scientists get ideas for their research? 2. Why can theories not be proved or disproved by research? 3. Given that proof and disproof are impossible in science, how does scientific knowledg ...

Statistics paperthe final paper provides you with an

STATISTICS Paper The Final Paper provides you with an opportunity to integrate and reflect on what you have learned during the class. The question to address is: "What have you learned about statistics?" In developing yo ...

Recommendationsremember that your recommendations should be

Recommendations: Remember that your recommendations should be as authentic to a real-world situation as possible. If you are going to be asking your organization to spend money on training, for example, your justificatio ...

Data show that narcissistic people who have a grandiose

Data show that narcissistic people (who have a grandiose, inflated perception of themselves) often fly into a "narcissistic rage" when things don't go their way. (In other words, they throw a temper tantrum.) A resea ...

Suppose a firm that produces light bulbs wants to know

Suppose a firm that produces light bulbs wants to know whether it can say that its light bulbs typically last more than 1500 hours. Hoping to find support for their claim, the firm collects a random sample of n = 25 ligh ...

What is the difference between dependent and independent

What is the difference between dependent and independent variables? On which side of the regression equation does each lie? Describe how Doane's rule relates to the number of allowed independent variables.  Why is this i ...

Please read below i need help right away i have posed this

Please read below. I need help right away. I have posed this problem in three different ways an the only consistant answer I get is instructing me to go pay money to another site. PLEASE HELP! Inferential Research and St ...

Use the given degree of confidence and sample data to

Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. Round to three decimal places. n=74, x=12; 95% confidence.

Determine the linear regression model to predict the cost

Determine the linear regression model to predict the cost of a house. Given that the 145 is the estimated mean value of Y when X is zero and 7.4 is the estimated mean value of Y for every one unit change in X.

A company manufactuirng compter chip finds that 8 of all

A company manufactuirng compter chip finds that 8% of all chips manufactured are defective. Management is concerned that high employee turnover is partially responsible for the high defect rate. In an effort to decrease ...

  • 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