Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

One sample of n = 4 scores has the mean of M = 10, and second sample of n = 8 scores has mean of M = 20. If the 2 samples are combined, the mean for combined sample will be

  1. Equal to 15
  2. Greater than 15 but less than 20
  3. Less than 15 but more than 10
  4. None of other choices is correct

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923371

Have any Question? 


Related Questions in Statistics and Probability

A car salesmen claims that a particular make of a car would

A car salesmen claims that a particular make of a car would give a mean mileage of greater than 20mpg. If I ran 10 cars on one gallon of gas each and came up with 10 different results, what statistical formula would I us ...

The amount of time people spend in a clothing store is

The amount of time people spend in a clothing store is normally distributed with a mean of 18 mins and SD of 4 mins. If a sample of 20 customers is randomly selected. what is this probability they will spend more than 20 ...

Mechanics hardware needs to accumulate 41000 in 3 years to

Mechanic's Hardware needs to accumulate $41,000 in 3 years to purchase new equipment. What sinking fund payment would they need to make at the END of each month, at 6% interest compounded monthly? (Use Table 12-1 from yo ...

Suppose we would like to determine if the typical amount

Suppose we would like to determine if the typical amount spent per customer for dinner at a new restaurant in town is more than $20.00. A sample of 49 customers over a three-week period was randomly selected and the aver ...

In march 2010 a federal health-care law required chain

In March 2010, a federal health-care law required chain restaurants with 20 or more locations to post caloric information on their menus. The stated goal was to make it easier for consumers to select healthier options, b ...

Problem 1somewhere in the milky way galaxy a class of 2000

Problem 1 Somewhere in the Milky Way Galaxy, a class of 2,000 students took a course in Astronomy.  The first exam scores and the final exam percentage reached earth, but transmission broke off after only a dozen student ...

One study based on responses from 1013 teenagers concluded

One study based on responses from 1013 teenagers concluded that 42% cite grades as their greatest source of pressure. Use .05 significance level to test the claim that fewer than half of all teenagers in the population f ...

Wat were the key political features of the roman republic

What were the key political features of the Roman Republic? How and why did this system of government collapse? Does our republic share any of the weaknesses of the Roman Republic?

One of the most famous labormanagement conflicts took place

One of the most famous labor/management conflicts took place in the 1902 Coal Strike in Pennsylvania. The strike brought the coalmine owner George Baer against the United Mine Workers Union, and led Theodore Roosevelt to ...

Electronic mail game let lgtmgt 0 be two positive real

Electronic Mail game Let L>M> 0 be two positive real numbers. Two players play a game in which the payoff function is one of the following two, depending on the value of the state of nature s, which may be 1 or 2: The pr ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro