Question: Please show work 1. The time taken to complete a marathon in two different regions is being compared. At location A. based on 20 runners,

Please show work

1. The time taken to complete a marathon in two different regions is being compared. At location A. based on 20 runners, the average time was 300 minutes with a standard deviation of 30 minutes. At location B. based on 18 runners, the average time was 330 minutes with a standard deviation of 40 minutes. The population variance of both brands is assumed to be equal. Can you conclude that on average runners at location A are faster by 10 minutes than runners at location B at 5% signicance? What is the p-value

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Carla Vista Corporation has collected the following information after its first year of sales. Sales were $1,770,000 on 118,000 units; selling expenses $295.000 (40 % variable and 60% fixed); direct...

please show work. Part 1 Time and Temperature Data: Cooling Curve of Distilled Water Report Table 1: Time and Temperature Data: Pure Stearic Acid Time and temperature data for the freezing point of...

Your manager provides you with the day rates for various financial advisors for use in peak periods. When you ring agency D, they inform you the day rate has increased by Day Rate (per agent in E) 7%...

Please I need help with the questions for Calculations (Part ), Calculations (Part 2), the graph, and questions 1-2 on the last page. THE DATA TO DO THE CALCULATIONS ARE PROVIDED IN THE TABLES. THATS...

Question 1 (Network design optimization). [20 points] ABC Limited Corp. has won contracts to supply a high-tech product to customers in Asia, North America, Europe, and South America. The company has...

please show work and/or explain how you got your answer. thank you! Name: PTS Assigned: 70 MKTG 460 Homework 4: Chapter4 Instructions: Handwrite your work and answers in great detail on a print-out...

Listen to the following videos and then complete the assignments using the changed numbers on the guidance report. Place your answers on the guidance report. Open the Guidance Report and rework the...

Answer the questions below in a 250-word review of the memo and paper below: Does the introduction clearly announce the topic and engage the readers interest? If not, why not? If yes, what is...

financee.. no handwritten answers You think the intrinsic value of Biogen Pharmaceuticals stock is somewhere around $300 a share. At the same time, you see they only trade at $250 a share on the...

BASED ON THIS INFO: EDIT THE SECTION FOR THE METHODS, SUBJECTS, PROCEDURE, AND STATSICAL ANAYLYSIS FOLLOWING THESE EDITS: Two key notes and a reference: The term 'control' leads the reader to believe...

1. Evaluate the term "health" and the historical perspective on health promotion. 2. Examine health promotion and illness prevention teaching based on teaching principles, varied teaching learning...

The budget or schedule that provides necessary inputs data for the direct labor budget is the A. Raw materials purchases budget B. Schedule of cash collections C. Cash budget D. Production budet

A particle is moving with the given data. Find the position of the particle, s ( t ) . v ( t ) = t 2 - 6 t 2 , s ( 4 ) = 8 s ( t ) =

Bonus: Propose a mechanism Must be perfect for any points NaOEt OEt EtO EtO HOE!

Create a complete ERD in Crow's Foot notation that can be implemented in the relational model using the following description of operations. Not Water (HW) is a small start-up company that sells...

As a process, _______________ is the use of non-coercive influence to direct and coordinate the activities of group members to meet a goal. a. Leadership b. Management c. Development d. Group...

Whats My Culture? Different organizations have different cultures, based in part on the ways people interact (sociability) and the degree to which people think alike (solidarity). Review the textbook...

2. Develop your own loop models for the following conditions. At least one model shall be developed for each of the points under (a-j) a) If A shows anger towards B, what will Bs reaction be? b) What...

1. To gain an understanding of the fact that relationships are something more than only cause and effect chains.

3. What is meant when we say that people with a Protestant character exhibit manipulative behaviour?