Find expected frequency to test claim high blood pressure

Assignment Help Basic Statistics
Reference no: EM13137131

A medical researcher is interested in determining if there is a relationship between adults over 50 who walk regularly and low, moderate, and high blood pressure. A random sample of 236 adults over 50 is selected and the results are given below. Find the expected frequency to test the claim that walking and low, moderate, and high blood pressure are not related. Round to the nearest tenth if necessary.

(a) 61.8
(b) 22.7
(c) 66.2
(d) 29.5

Reference no: EM13137131

Questions Cloud

Contemporary family has increasingly become a dual-earner : The contemporary family has increasingly become a dual-earner family. Traditionally, women tended to domestic chores and men earned an income. This model is less and less prevalent. Explain what is happening to the family's traditional division of re..
Straight-line depreciation for a capital project basics : Phyllis believes that the firm should use straight-line depreciation for a capital project because it results in higher net income during the early years of the project's life.
Evolution of national incident management system : Discuss the evolution of the National Incident Management System (NIMS) and its effectiveness today? What role does (should ) the private security industry, and the public at large, play in the Global War on Terrorism?
Faculty of health sciences : Presentation: Sequencing and content The content in the presentation matches the outline presented in the introductory slide (or similar). Slides are organised in a logical manner so that content flows from one slide to the next, and the presentation..
Find expected frequency to test claim high blood pressure : Find the expected frequency to test the claim that walking and low, moderate, and high blood pressure are not related. Round to the nearest tenth if necessary.
Determining interest groups comparison : Compare the following interest groups, The National Rifle Association (NRA) and The American Association of Retired Persons (AARP).
Explain the compression ratio of an air-standard otto cycle : The compression ratio of an air-standard Otto cycle is 9.5. Prior to the isentropic compression process, the air is at 100 kPa, 17 C, and 600 cm2
What is a sexual script? : What is a sexual script? How is it formed? When is it called into play? What does it do for us? What assumptions do we make about others' scripts
Comparison between british and american empires : Britain and the United States are at different times world powers with no peer competitor. 1) discuss what reasons the global power of Britain declined

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing hypothesis with single mean

Based on the information, what decision should the director make about the books used for the courses if the goal is to keep the cost below $300?

  Construct a histogram for given data

The following frequency distribution was obtained. The data values are in hours. Construct a  histogram for the data .

  Regression equation and analysis

A sample of 12 homes sold last week in St Paul, Minnesota, is selected. The results are shown below and create a scatterplot. Insert the trendline into the graph and show the regression equation.

  To demonstrate the process is in control or out of control

To demonstrate the process is in control or out of control utilizing p-chart. A company which produces nails has retained you as a consultant.

  Significance was significant change in cholesterol level

Utilizing the 5% level of significance was there a significant change in cholesterol level. Elucidate your answer to someone who has never ever taken a course in statistics.

  Determine the mean and standard deviation of x

Let x be the random variable that denotes the net amount a playr wins by playing this lottery. Write the probablity distribution of x. Determine the mean and standard deviation of x. How will you interpret the values of the mean and standard devia..

  Description of hypothesis testing five step

According to the historical data, the life expectancy in the United States is equal to the life expectancy in Japan. A new study has been made to see whether this has changed.

  Define multiple regression equation-slopes in the equation

Complete the following tasks: State the multiple regression equation. Interpret the meaning of the slopes in the equation.

  Compare driving distances of current and new golf balls

Formulate and present the rationale for a hypothesis test that Par could use to compare the driving distances of the current and new golf balls.

  The standard deviation of an efficient portfolio

When the Sharpe Ratio for the market portfolio is 0.5, what risk-free rate Rf is the market anticipate? Draw on a diagram for the Capital Market Line derived from the above data. Make sure to clarify the intercept and the slope.

  Choosing appropriate random variable type

Which of these variables are discrete and which are continuous random variables?

  Compute test statistic and use technology to find p value

Product while 43 out of 80 females preferred it. Compute the test statistic and use technology to find the corresponding p-value based on this test.

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