User Account

All Pages

Average number of days reservations

Assignment Help Basic Statistics
Reference no: EM131954434

In one? year, an online travel agency reported that summer travelers booked their airline reservations an average of 70.9 days in advance. A random sample of 40 summer travelers in a later year was? selected, and the number of days travelers booked their airline reservations in advance was recorded. The data is shown below

67, 77, 93, 81, 71, 74, 74, 71, 77, 72, 87, 65, 68, 74, 87, 65, 82, 77,96, 77, 94, 60, 74, 53, 71, 89, 54, 84, 79, 69, 87, 77, 63, 63, 83, 82, 74, 58, 73, 75

a. Perform a hypothesis test using a= 0.05 to determine if the average number of days reservations are booked in advance has changed between the years.

Determine the null and alternative hypotheses.______

b. Determine the test? statistic_____

c. The critical? value(s) is(are)_____ _____

d. What conclusion should be? drawn?______

e. determine the? p-value for this test._______

Reference no: EM131954434

Questions Cloud

Determine the p-value and interpret its meaning : What assumption must you make in order to conduct the test in part a? Demonstrate if the assumption is met.
Compute the p-value : Assume that the population is approximately normal. Use the TI 84 plus calculator to compute the p-value. Round four decimal places.
Value of the sample correlation coefficient : Verify the given sums Sx, Sy, Sx2, Sy2, Sxy and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.)
A brief industry analysis to become more knowledgeable : Develop coherent paragraphs or points so that each is internally unified and so that each functions as part of the whole document or presentation.
Average number of days reservations : Perform a hypothesis test using a= 0.05 to determine if the average number of days reservations are booked in advance has changed between the years.
Review map of house and what change is required : You need to review this map of house and what change is required in this map
Mad for a linear regression forecast : Forecasted sales for year 6 using the trend? projection? (linear? regression) method are______ sales ???(round one? decimal? place).
Describes the actions that will be taken to communicate : Describes the actions that will be taken to communicate the plan and/or portions of it and describes to whom the plan will be communicated.
Determining the confidence interval : The sample mean is found to be 64.3, and the sample standard deviation, s, is found to be 5.6. Construct a 95% confidence interval for µ.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Define evidence that the population mean is less

In conducting a hypothesis test to see if there is evidence that the population mean is less than 220, using a .03 significance level what will be your critical value?

  What statistical program use to obtain the results

The visual analog scale is often used to measure pain. The worst possible score is 10. Thirty patients who had the same operation were questioned.

  Which numbers represent positive outcome of screening test

If we generate 2,000 sets of 20 two-digit numbers, how can the outcomes of this simulation be used to approximate the probability of obtaining at least 15 positive results in the 20 runnings of the screening test?

  Inverse probability under uniform distribution

Temperature in certain city for the month of June follows a uniform distribution over the interval 61° F to 91° F. Find the temperature which 90% of the June days exceeds?

  You claim that the average speed of cars going down a

write an accurate concluding statement for the following hypothesis tests.a you claim that the mean volume of all 12

  Null-alternative hypotheses and critical region

The production line that packages boxes of raisins at a snack food manufacturer will be conisdered operating properly if the average weight of the boxes of raisin is 3.5 ounces with a standard deviation of 0.3 ounces.

  What is the average lead time for the component

Jennings Assembly in Hartford, Connecticut, uses a component supplied by a company in Brazil. The component is expensive to carry in inventory and consequently.

  Analyze the data using multiple regression

Analyze the data using multiple regression and what is the standard error of estimate? Can you use this statistic to assess the model's fit?

  Carry four significant digits throughout your calculations

A mobile computer network consists of a number of computers (called nodes) that communicate with each other while moving throughout a region. A node that is out of transmission range of the other nodes, so that it is unable to communicate, is said..

  What was the sample size for the given test

The impact of a mentoring program for highly aggressive children. Faith, Fiala, Cavell, and Hughes (2011) examined the impact of a mentaring program.

  What probability that none of states selected have coastline

What is the probability that None of the states selected have any coastline,  Exactly one of the selected states has a coastline and At least one of the selected states has a coastline?

  Explain the purpose of a control group in the setting

Cash to find work? (4.2) Will cash bonuses speed the return to work of unemployed people? The Illinois Department of Employment Security designed an experiment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd