User Account

All Pages

Find the regression equation

Assignment Help Basic Statistics
Reference no: EM131180707

Predict final exam from midterm In an introductory statistics course, x = midterm exam score and y = final exam score. Both have mean = 80 and standard deviation = 10. The correlation between the exam scores is 0.70.

a. Find the regression equation.

b. Find the predicted final exam score for a student with midterm exam score = 80.

Reference no: EM131180707

Questions Cloud

Develop political economic risk profile for a given country : Select a small company and explain what it would have to do to manage these risks if it were to enter the market of the country profiled.
Households nationwide used natural gas : According to a research,54.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 4800 randomly selected households showed that 55.0% used natural gas. Use a 0.05 significance level to test the claim that the..
Do think scientific or non-scientific thinking would provide : Provide an overview of how, using the steps of the scientific method, the research question could be studied. In this discussion, reflect on what your hypothesis would be and if you would want to use a qualitative or quantitative research design.
Confidence interval for the population proportion : In a survey of 3963 adults, 706 say they have seen a ghost.Construct a 99% confidence interval for the population proportion. Interpret the results. 1) A 99% confidence interval for the population proportion is ( , )
Find the regression equation : Predict final exam from midterm In an introductory statistics course, x = midterm exam score and y = final exam score. Both have mean = 80 and standard deviation = 10. The correlation between the exam scores is 0.70.
The best ways for the gumbels to promote their business : What might be the best ways for the Gumbels to promote their business? -  How can the Gumbels prospect for new customers?
Blood bank serving this population : 1. The Rh Factor: In a certain population, 15% of the people have Rh-negative blood. A blood bank serving this population receives 92 blood donors on a particular day.
Which subcontractor is responsible for drilling and sealing : What must be provided for a condensate line from the fan coil inside a walk-in freezer to keep the water from freezing? Which subcontractor is responsible for drilling and sealing the penetration through the cooler panel for the condensate line to..
Calculate the electric field for the charge distribution : Calculate the electric field for the charge distribution from Part A, both directly by superposition, and using the potential that you calculated above. Comment on what you find.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability-pedestrian walk buttons

Pedestrian Walk Buttons New York City has 750 pedestrian walk buttons that work, and another 2500 that do not work (based on data from "For Exercise in New York Futility, Push Button

  Compute maximum total allowable weight will not be exceeded

Find the maximum total allowable weight if we want a 0.975 probability that this maximum will not be exceeded when 17 males are randomly selected.

  A simple null hypothesis against a composite alternative

When we test a simple null hypothesis against a composite alternative, a critical region is said to be unbiased if the corresponding power function takes on its minimum value at the value of the parameter assumed under the null hypothesis.

  Construct a 95 confidence interval for the difference in

a clinical trial is run comparing a new drug for high cholesterol to a placebo. a total of 40 participants are

  Hypothesis test for difference having two population mean

At the .05 significance level, is the number of units produced on the afternoon shift larger?

  Is there an association between the use of computerized

is there an association between the use of computerized system and hospital mortality? in a large-scale hospital study

  Determining quantitative techniques

Four students riding to school together offer a the excuse of a flat tire on their car for missing a test. On the makeup test, the professor asks the students to each identify the tire that went flat.

  Proportions of all drivers exceed the legal speed limit

Suppose that we want to estimate what proportions of all drivers exceed the legal speed limit on a certain stretch of road between Los Angeles and Bakersfield. Use the formula of Exercise 12 to determine how large a sample we will need to be at le..

  A researcher is interested in estimating the average salary

A researcher is interested in estimating the average salary of fire fighters in a large city. He wants to be 95% confident that his estimate is correct.

  Calculation of normal probability

The average number of customer complaints at the Full Moon Motel is five per day. Find the probability that on a typical day, the motel will receive

  Perform a hypothesis test to see if there is no difference

a researcher in colorado is trying to improve plant growth. they want to see how combinations of different brands of

  Type of perfume produced to maximize the net profit

A monthly budget of $100,000 is available for both advertising and purchase of the fragrances. Develop and solve a linear optimization model to determine how much of each type of perfume should be produced to maximize the net profit.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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