Predictable relationship between verbal skills

Assignment Help Applied Statistics
Reference no: EM13850962

A researcher would like to know whether there is a consistent, predictable relationship between verbal skills and math skills for high school students. A sample of 200 students is obtained and each student is given a standardized English test and a standardized math test. Based on the test results, students are classified as high or low for verbal skills and for math skills. The results are summarized in the following frequency distribution:

Verbal Skills High with High Math 50. Verbal skills low with math high 30. Verbal high with math low 50. Verbal low with math low 70.

Based on these results, can the researcher conclude that there is a significant relationship between verbal skills and math skills? Test at the .05 level of significance. Compute the phi-coefficient to measure the strength of the relationship.

 

 

Reference no: EM13850962

Questions Cloud

Obstetrician is likely to give all : Deannas due date is December 29, but if the baby does not arrive by the 30, Deanna will ask her doctor to induce labor so that she and her husband can claim a tax deduction in the current year instead of having to wait untill the next year. Her obste..
Crime and criminology : Criminology studies criminal behavior in society. Criminal behavior is behavior that breaks criminal codes established by our society. In a well-constructed, one page essay (500+ words) with an introduction, body and conclusion, discuss the origin, e..
Compare to the theoretical probability? : compare to the theoretical probability?
Provide the journal entries to account for tax : Provide the journal entries to account for tax in accordance with AASB 112.
Predictable relationship between verbal skills : A researcher would like to know whether there is a consistent, predictable relationship between verbal skills and math skills for high school students. A sample of 200 students is obtained and each student is given a standardized English test and a s..
Describe impact of resources required for prototype builds : Describe the impact(s) of each the following on the project budget: The additional resources required for the prototype builds. The change in duration of the delivery time for the servo component.
Astrological signs tend to be safer drivers the people : An insurance investigator has observed the people with some astrological signs tend to be safer drivers the people with other signs. Using insurance records, the investigator classified 200 people according to their astrological signs and whether or ..
Explain how the chi-square tests differ from parametric test : Explain how the chi-square tests differ from parametric tests (such as t tests or ANOVA) with respect to the hypotheses, the data, and the assumptions underlying the test.
A study of the nutrition of dialysis patients : A study of the nutrition of dialysis patients measured the level of phosphorus in the blood of a patient on 30 occasions.  The mean phosphorus level for this patient was 5.2 mg/dl and a population standard deviation for all dialysis patients of 1.0 m..

Reviews

Write a Review

Applied Statistics Questions & Answers

  What are advantages and disadvantages of using confidence

What are the advantages and disadvantages of using confidence intervals as an alternative approach to statistical inference

  How can internal and external validity be increased

What statistical test should be used to analyze these data - How can internal and external validity be increased in an experiment and briefly describe the type of information that should be in an introduction.

  How to assess the capability of any process

Describe how to assess the capability of any process to meet its requirements and stay within predefined specification limits and state the different choices of control chart available and the preferred system used by the process industries.

  A company claims the average time a customer waits

A company claims the average time a customer waits on hold is less than 5 min. A sample of 35 customers has an average wait time of 4.78 min. Assume the population standard deviation for wait time is 1.8 min. Test the company claim at the α = 0.05 si..

  According to the most recent davenport student profile

According to the most recent davenport student profile

  How many of acme''s employees use drugs?

Acme Manufacturing Company requires all of its 5000 employees to take a drug test. Suppose 2% of the employees actually use drugs (although the company does not know this number). The drug test is 95% accurate.

  Write a report on simple data analysis and

write a report on simple data analysis and comparison.explain briefly how simple data analysis methods you are to use

  1 the test averages for 40 students are listed below use 8

1 the test averages for 40 students are listed below. use 8 classes not bins to construct a frequency distribution

  Use a two-sample test with independent samples

Respond to the following: Give two examples as follows: A research situation when you would use a two-sample test with independent samples A research situation when you would use a two-sample test with dependent samples

  Satisfy the stochastic difference equation

Satisfy the stochastic difference equation

  Set up a confidence interval estimate of the proportion

The labor relations manager of a large corporation wished to study the absenteeism among workers at the company's central office during the last year. A random sample of 25 workers revealed the following: an average of 9.7 days; a standard deviation ..

  A quality control engineer at a potato chip company

A quality control engineer at a potato chip company tests the bag-filling machine by weighing bags of potato chips. Not every bag contains exactly the same weight. But if more than 15% of bags are overfilled, then they stop production to fix the mach..

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd