Perform the appropriate hypothesis test

Assignment Help Basic Statistics
Reference no: EM132401578

A major credit card company is studying the habits of its credit card holders and would like to determine whether the average monthly balance of credit card holders has fallen in recent years to less than $750. A random sample of 100 accounts is taken and the sample average is $714 with a sample standard deviation of $236.5. Perform the appropriate hypothesis test to determine if the company can conclude that the average has fallen to less than 750. Use an alpha of .05.

Reference no: EM132401578

Questions Cloud

Confidence interval for the population mean amount : Develop a 95% confidence interval for the population mean amount of water per gallon jug. report the interval to 4 decimal places.
Perform the appropriate hypothesis test : Perform the appropriate hypothesis test, using a significance level of 0.05.
Perform the appropriate hypothesis test : Perform the appropriate hypothesis test, using a significance level of 0.05
Review behavior resource presentation : Behavior Resource Presentation Instructions: Candidates seeking the M.Ed, Ed.S, or Ed.D, who completed the Behavior Resource list will create and deliver.
Perform the appropriate hypothesis test : Perform the appropriate hypothesis test to determine if the company can conclude that the average has fallen to less than 750. Use an alpha of .05.
Illustrate the impact of a government regulation : Identify the economic relationship between the above 4 products and provide explanations and Briefly describe any phenomena that may have arisen due
Edu 381 curriculum and instructional design question : EDU 381 Curriculum and Instructional Design assignment help and assessment help, Ashford University - By using a variety of instructional models and strategies.
Large defence contractor manufactures telecommunication : One division of a large defence contractor manufactures telecommunication equipment for the military.
Cluster sample or a stratified sample : What type of sampling method do you think would provide the most unbiased sample, a cluster sample or a stratified sample?

Reviews

Write a Review

Basic Statistics Questions & Answers

  The pilots final score s is the average speed minus any

question a race pilots average rate of speed over a 720-mi course is inversely proportional to the time in minutes t

  Should the assembly line be shut down

In a sample of 18 belts, suppose x¯ = 1049. Should the assembly line be shut down? Justify your answer using the Z distribution and the appropriate.

  Inventory for the upcoming seasonal rush

Your employer needs to borrow $550,000 to finance inventory for the upcoming seasonal rush.

  Suppose that the random variable x represents the length of

suppose that the random variable x represents the length of a punched part in centimeters. let y be the length of the

  Confidence interval for the population mean

Find the margin of error and construct a 90?% confidence interval for the population mean µ. Interpret the results.

  Find the mean and the median for each list of values

Find the mean and the median for each list of values:- 64, 68, 72, 76, 80, 86-  10, 6, 2, 7, 100- 30, 10, 40, 30

  Compute the value of the test statistic

A random sample of 12 observations is selected from a normal population. The sample mean was 407 and the sample standard deviation 6.

  The steam enters at 300 degreec with a velocity of 25 ms

a well-insulated turbine operating at steady state develops 10 mw of power for a steam flow rate of 20 kgs. the steam

  Motor failure requires the services

Major motor failures occur among the buses of a large bus company at the rate of2 a day. Assuming that each motor failure requires the services

  Calculate the covariance for these two random variables as

suppose there are two random variables x and y distributed uniformly over -2ltxlt2 and 0ltylt1. determine

  What is the critical value for a claim

What is the critical value for a claim about standard deviation o=2.3 if s= 2.1 and n= 115? use confidence level of 95%

  Suppose that the number of accidents at a nuclear power

suppose that the number of accidents at a nuclear power plant in one week has a poisson distribution with mean 3 and

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!

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