User Account

All Pages

Describe t-test and explain how to interpret its results

Assignment Help Basic Statistics
Reference no: EM131697920

1. Describe t-test and explain how to interpret its results?

2. Explain when to use the z-test instead of t-test?

3. Discuss the differences between parametric and non-parametric tests?

4. Explain how the Wilcoxon Sign Test is conducted?

Reference no: EM131697920

Questions Cloud

Demonstrate the ability to research into a complaint : Demonstrate the ability to research into a complaint and determine the nature and specifics of the situation - identify appropriate resolution options
How many different ways can these parking spots be assigned : Each month the company randomly assigns the parking spots to their employees. How many different ways can these parking spots be assigned?
Research to determine the target audience of the business : Write the Goals and Strategies section of your Social Media Marketing Plan. Research to determine the target audience of the business. ?
How many different ways can the prizes be awarded : There are 25 finalists in a drawing. First prize is a trip to Hawaii, second prize is a trip to Chicago. Third prize is a trip to Kansas City.
Describe t-test and explain how to interpret its results : 1. Describe t-test and explain how to interpret its results? 2. Explain when to use the z-test instead of t-test?
Test the claim that the population variances : Find the F-test statistic to test the claim that the population variances are equal. Both distributions are normal. The standard deviation of the first sample.
Describe financial statements provided by roberts company : At the end of 2012, Roberts purchased some additional equipment for $20,000. Statement of Cash Flows, Direct Method Refer to the information for Roberts Company
Upper limit of the confidence interval : Could you please briefly discuss how you can calculate the upper limit of the confidence interval?
What is the p-value of this test and state its meaning : Perform a hypothesis test of the manager's belief at the 5% level of significance. What is the p-value of this test and state its meaning.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Why did the famous lost colony of roanoke fail

Why did the famous Lost Colony of Roanoke fail?  Read about Roanoke in the text and research the theories about its demise then explain which theory you consider most plausible.

  Extreme value on the confidence interval

Using the results, describe the effect of an outlier or extreme value on the confidence interval.

  Confidence interval for the variance and standard deviation

Find the 90% confidence interval for the variance and standard deviation if a sample of 15 has a standard deviation of 2.3. Assume the variable is normally distributed.

  An automobile insurance firm wants to find the average

an automobile insurance firm wants to find the average amount per claim for auto body repairs. its summary records

  Apples market share in the smart phone market represents a

apples market share in the smart phone market represents a proportion of 0.1835. if apple conducts a survey nationwide

  Intercept of slope

Assume that another counselor decided to extend the aforementioned study by collecting data on 14 children. His study yielded the following results:

  Find the standard deviation

(a) Verify that the mean is 15 and find the standard deviation for the 10 cases for which x is not missing (b) Create a new data set with 20 cases by setting the values for the 10 missing cases to 15. Compute the mean and standard deviation for thi..

  Risk of having a heart attack for current smokers

What is the risk of having a heart attack for current smokers? What is the risk of having a heart attack for current non-smokers?

  Construct the anova summary table

Construct the ANOVA summary table. Is there any evidence of an effect due to interaction of county and ADHD diagnosis? Use a = 0.05.

  What is the mean number of exemptions claimed

IRS statistics show 20% of returns claim 1 exemption, 50% claim 2 exemptions, 20% claim 3 exemptions, 8% claim 4 exemptions and 2% claim 5 exemptions.

  Road construction contracts in the state of florida

Road construction contracts in the state of Florida are awarded on the basis of competitive, sealed bids; the contractor who submits the lowest bid price wins the contract.

  Linear relationship between the two rates

Provide a 95% interval estimate of the real occupancy rate with an average room rate of $90.

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