Purchase Solution

Hyopthesis testing

Not what you're looking for?

Ask Custom Question

A board of directors at the Anchor Pointe Marina is studying the usage of boats among its members. A sample of 30 members who have bots 10 to 20 feet in length showed that they used their boats an average of 11 days last July. The standard deviation of the sample was 3.88 days. For a sample of 40 members with 21 to 40 feet in length, the average number of days they used their boats in July was 7.67, with standard deviation of 4.42 days. At the 0.02 significance level, can the board of directors conclude that those with the smaller boats used their crafts more frequently?

Purchase this Solution
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

View More Free Quizzes
Related BrainMass Solutions

  • Hyopthesis testing

    46998 Hyopthesis testing An urban planner claims that, nationally, 20 percent of all families renting condominiums move during a given year.

  • Hyopthesis testing

    49421 Hyopthesis testing A financial analyst wants to compare the turnover rates, I percent, for shares of oil-related stocks versus other stocks, such as GE and IBM. She selected 32 oil related stocks and 49 other stocks.

  • Hyopthesis testing

    45975 Hyopthesis testing The liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its effectiveness.

  • Hyopthesis testing

    48188 Hyopthesis testing A recent study compared the time spent by single and dual-earner couples.

  • Hyopthesis testing

    50103 Hyopthesis testing A recent study compared the time spent together by single- and dual-earner couples.

  • Hyopthesis testing

    51638 Hyopthesis testing This year 80 dealers were selected at random and telephoned regarding the new receiver. It was learned the 38% of the receivers had been sold.

  • Hypothesis testing a Process with Z-Distribution

    51635 Hyopthesis testing and Z-Distribution 1. A new process has been implemented and it is stated to have an average cycle time of 120 seconds.

  • Different types of software testing

    Black box testing is also known as functional testing. What does Gray Box Testing mean? Gray box testing is a software testing methodology that involves the combination of white box and black box testing.

  • Classical Software Testing and Software Security Testing

    159994 Classical Software Testing and Software Security Testing I need assistance in the following problem: What is the essential difference between classical software testing and software security testing?

View More Related Solutions