Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Hypothesis test for difference between two population mean.

You are interested in seeing whether UCLA non-sociology majors study fewer hours per day than sociology majors at UCLA. You at random choose 55 non-sociology majors and find that on average, they study 3 hours per day. You know that all sociology majors study 2.5 hours per day with a standard deviation of 1. Use an alpha=.01 to perform the appropriate hypothesis test.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919861

Have any Question? 


Related Questions in Statistics and Probability

1 does the average iq for residents of a state vary with

1. Does the average IQ for residents of a state vary with the amount that the state spends on education? Seven of the 50 U.S. states were randomly selected. The amount that each spent per student (in thousands of dollars ...

1 use your own random mu sigma to generate four sets of

1) Use your own random (μ, σ) to generate four sets of (normal-distribution based) random numbers (i.e., samples) of sizes n = 5, 20, 80, and 320, respectively. 2) Calculate the means and standard deviations for the 4 sa ...

It is noted that research falls into four basic categories

It is noted that research falls into four basic categories, depending on whether the goal is to describe patterns of behavior, thought, or emotion (descriptive research); to examine the relationship among naturally occur ...

A researcher evaluates a gun training program in a large

A researcher evaluates a gun training program in a large American city found that rapes dropped by 90% in the year following the training. Researchers looking at the same data but expanding the time frame to include 5 ye ...

The potential revenues of all projects are in fact

The potential revenues of all projects are in fact uncertain. The company determines that the revenue for project 1 is following a uniform distribution ranging from $1,200,000 to $2,000,000. The revenue for project 2 is ...

One of the initial clinical trials of the anti-math anxiety

One of the initial clinical trials of the anti-math anxiety drug SHOVITALL TM tested for the presence of headaches as a side effect. In the trial, 450 subjects were treated with 80mg of the drug, and 2.2% of the subjects ...

Assignment1what is statistics2describe the differences

Assignment 1. What is statistics? 2. Describe the differences between inferential statistics and descriptive statistics. 3. The call center received 30 phone calls on a Monday, below is the number of minutes each call la ...

The mixed methods approachthrough your work in this unit

The Mixed Methods Approach Through your work in this unit, you have come to understand just how different quantitative and qualitative decision-making techniques are. Perhaps that is why a mixed methods decision-making t ...

The total cholesterol levels of a sample of men aged 35-44

The Total Cholesterol levels of a sample of men aged 35-44 are normally distributed with the mean of 203 milligrams per deciliter and a standard deviation of 37.4 milligrams per deciliter. (a) What percent of men have a ...

Recall that very satisfied customers give the xyz-box video

Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the 65 satisfaction ratings to provide evidence supportin ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen