What are the critical values

Assignment Help Applied Statistics
Reference no: EM13215878

The business manager of a large corporation wanted to determine whether there was a difference between what salesmen spend on lunch and what executives spend on lunch. A sample of 8 salesmen indicated that they spent an average of $10.77 with a sample standard deviation of 0.24 on lunch. A sample of 10 executives indicated that they spent an average of $11.30 with a sample standard deviation of 0.56 on lunch. Let = 0.05. What are the critical values?

Reference no: EM13215878

Questions Cloud

What is the variance : In order to conduct testing of the life hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted (mean = 346.6). 378, 361, 350, 375, 200, 391, 375, 368, 321 What is the variance?
Calculate the exact number of protons : Then, calculate the exact number of protons and express the answer in scientific notation with the correct number of significant digits.
What is the magnitude of the net force on the motorcycle : a 250-kg motorcycle goes around an unbanked turn of radius 13.7m at a steady 96.5 km/h. What is the magnitude of the net force on the motorcycle?
What is the relative liability of individual and of company : Even though we may contract with a company or an organization to provide us with goods and services, we still most typically deal with an individual human being representing that organization. In the event of a problem with our purchase.
What are the critical values : A sample of 10 executives indicated that they spent an average of $11.30 with a sample standard deviation of 0.56 on lunch. Let = 0.05. What are the critical values?
Find the magnitude and direction of a - b : The force vector A has a magnitude of 75.0 newtons (N) and points due east. The force vector B has a magnitude of 138 N and points 75.6 ° north of east. Find the (a) magnitude and (b) direction of A - B
Estimate for the mean hospital cost for victims : what is the point estimate for the mean hospital cost for victims who wore seat belts and construct and interpret 99percent conf interval estimate for the mean hospital costs for accident victims who wore seatbelts.
To what extent does an independent accountant owe allegiance : Beginning with the Enron debacle more than a decade ago, and continuing through the Bernie Madoff scandal of recent years, there has been much discussion regarding the relative roles and responsibility of the SEC and the independent auditors and a..
How an observer can observe a higher or lower frequency : Pick at least two sample cases and for each sample case include both a physical reason you'd expect fo to go up or down (think about how sound waves are squishing together or spreading apart) and a mathematical reason (like will picking a + in the..

Reviews

Write a Review

Applied Statistics Questions & Answers

  How much revenue would be made

How much of each product do you recommend be produced that you believe maximizes revenue? How much revenue would be made if they followed your recommendation?

  What is the probability that all will arrive on time

What is the probability that at least one of the flights will be late and why the binomial model is not appropriate for finding the probability that at least one flight will be late.

  Obtain a time-series plot and correlogram

Obtain a time-series plot and correlogram of the residuals from (9) and comment on them with regard to the violation of classical assumptions. Test for fourth-order autocorrelation using the Breusch-Godfrey procedure

  Calculate the correlation coefficient

Calculate the correlation coefficient

  Hypothesis testing

What assumptions about the number of pedestrians passing the location in an hour are necessary for your hypothesis test to be valid?

  Information and the research study

Please read through the case scenario shown below to gain an understanding of the background information and the research study

  Standard deviation of all orders in sample

How many categories in the ACME transportation table are qualitative and what is the average number of merchandise per order, for all orders? Round to the nearest integer and what is the standard deviation of all orders in this sample?

  Evaluate the probability the sample mean

What can we say about the shape of the distribution of the sample mean?

  Compute all relevant summary statistics

You are expected to complete a project related to inferential statistics - show that the random variable X is exponential and compute the probability of the wait time when it is greater

  An article that deals with sleep and shift-workers

What was the total number of participants surveyed for the study and what was the total number of participants who completed the entire survey?

  Write your own newspaper article

Write your own newspaper article for the study with at least one appropriate table or graph.

  Compute the mean and sd of the probability

Compute the mean and SD of the probability of the mean and determine the test statistic

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